修改ck编辑器，去除源码编辑模式

public/static/plugs/ckeditor5/ckeditor.css

@@ -56,7 +56,6 @@
 .ck.ck-collapsible.ck-collapsible_collapsed>.ck-collapsible__children{display:none}:root{--ck-collapsible-arrow-size:calc(var(--ck-icon-size)*0.5)}.ck.ck-collapsible>.ck.ck-button{border-radius:0;font-weight:700;padding:var(--ck-spacing-medium) var(--ck-spacing-large);width:100%}.ck.ck-collapsible>.ck.ck-button:focus{background:transparent}.ck.ck-collapsible>.ck.ck-button:active,.ck.ck-collapsible>.ck.ck-button:hover:not(:focus),.ck.ck-collapsible>.ck.ck-button:not(:focus){background:transparent;border-color:transparent;box-shadow:none}.ck.ck-collapsible>.ck.ck-button>.ck-icon{margin-right:var(--ck-spacing-medium);width:var(--ck-collapsible-arrow-size)}.ck.ck-collapsible>.ck-collapsible__children{padding:0 var(--ck-spacing-large) var(--ck-spacing-large)}.ck.ck-collapsible.ck-collapsible_collapsed>.ck.ck-button .ck-icon{transform:rotate(-90deg)}
 .ck.ck-list-properties.ck-list-properties_without-styles{padding:var(--ck-spacing-large)}.ck.ck-list-properties.ck-list-properties_without-styles>*{min-width:14em}.ck.ck-list-properties.ck-list-properties_without-styles>*+*{margin-top:var(--ck-spacing-standard)}.ck.ck-list-properties.ck-list-properties_with-numbered-properties>.ck-list-styles-list{grid-template-columns:repeat(4,auto)}.ck.ck-list-properties.ck-list-properties_with-numbered-properties>.ck-collapsible{border-top:1px solid var(--ck-color-base-border)}.ck.ck-list-properties.ck-list-properties_with-numbered-properties>.ck-collapsible>.ck-collapsible__children>*{width:100%}.ck.ck-list-properties.ck-list-properties_with-numbered-properties>.ck-collapsible>.ck-collapsible__children>*+*{margin-top:var(--ck-spacing-standard)}.ck.ck-list-properties .ck.ck-numbered-list-properties__start-index .ck-input{min-width:auto;width:100%}.ck.ck-list-properties .ck.ck-numbered-list-properties__reversed-order{background:transparent;margin-bottom:calc(var(--ck-spacing-tiny)*-1);padding-left:0;padding-right:0}.ck.ck-list-properties .ck.ck-numbered-list-properties__reversed-order:active,.ck.ck-list-properties .ck.ck-numbered-list-properties__reversed-order:hover{background:none;border-color:transparent;box-shadow:none}
 .ck.ck-list-styles-list{display:grid}:root{--ck-list-style-button-size:44px}.ck.ck-list-styles-list{column-gap:var(--ck-spacing-medium);grid-template-columns:repeat(3,auto);padding:var(--ck-spacing-large);row-gap:var(--ck-spacing-medium)}.ck.ck-list-styles-list .ck-button{box-sizing:content-box;margin:0;padding:0}.ck.ck-list-styles-list .ck-button,.ck.ck-list-styles-list .ck-button .ck-icon{height:var(--ck-list-style-button-size);width:var(--ck-list-style-button-size)}
-.ck-source-editing-area{overflow:hidden;position:relative}.ck-source-editing-area textarea,.ck-source-editing-area:after{border:1px solid transparent;font-family:monospace;font-size:var(--ck-font-size-normal);line-height:var(--ck-line-height-base);margin:0;padding:var(--ck-spacing-large);white-space:pre-wrap}.ck-source-editing-area:after{content:attr(data-value) " ";display:block;visibility:hidden}.ck-source-editing-area textarea{border-color:var(--ck-color-base-border);border-radius:0;box-sizing:border-box;height:100%;outline:none;overflow:hidden;position:absolute;resize:none;width:100%}.ck-rounded-corners .ck-source-editing-area textarea,.ck-source-editing-area textarea.ck-rounded-corners{border-radius:var(--ck-border-radius);border-top-left-radius:0;border-top-right-radius:0}.ck-source-editing-area textarea:not([readonly]):focus{border:var(--ck-focus-ring);box-shadow:var(--ck-inner-shadow),0 0;outline:none}
 :root{--ck-color-table-focused-cell-background:rgba(158,207,250,.3)}.ck-widget.table td.ck-editor__nested-editable.ck-editor__nested-editable_focused,.ck-widget.table td.ck-editor__nested-editable:focus,.ck-widget.table th.ck-editor__nested-editable.ck-editor__nested-editable_focused,.ck-widget.table th.ck-editor__nested-editable:focus{background:var(--ck-color-table-focused-cell-background);border-style:none;outline:1px solid var(--ck-color-focus-border);outline-offset:-1px}
 .ck .ck-insert-table-dropdown__grid{display:flex;flex-direction:row;flex-wrap:wrap}:root{--ck-insert-table-dropdown-padding:10px;--ck-insert-table-dropdown-box-height:11px;--ck-insert-table-dropdown-box-width:12px;--ck-insert-table-dropdown-box-margin:1px}.ck .ck-insert-table-dropdown__grid{padding:var(--ck-insert-table-dropdown-padding) var(--ck-insert-table-dropdown-padding) 0;width:calc(var(--ck-insert-table-dropdown-box-width)*10 + var(--ck-insert-table-dropdown-box-margin)*20 + var(--ck-insert-table-dropdown-padding)*2)}.ck .ck-insert-table-dropdown__label{text-align:center}.ck .ck-insert-table-dropdown-grid-box{border:1px solid var(--ck-color-base-border);border-radius:1px;height:var(--ck-insert-table-dropdown-box-height);margin:var(--ck-insert-table-dropdown-box-margin);width:var(--ck-insert-table-dropdown-box-width)}.ck .ck-insert-table-dropdown-grid-box.ck-on{background:var(--ck-color-focus-outer-shadow);border-color:var(--ck-color-focus-border)}
 :root{--ck-table-selected-cell-background:rgba(158,207,250,.3)}.ck.ck-editor__editable .table table td.ck-editor__editable_selected,.ck.ck-editor__editable .table table th.ck-editor__editable_selected{box-shadow:unset;caret-color:transparent;outline:unset;position:relative}.ck.ck-editor__editable .table table td.ck-editor__editable_selected:after,.ck.ck-editor__editable .table table th.ck-editor__editable_selected:after{background-color:var(--ck-table-selected-cell-background);bottom:0;content:"";left:0;pointer-events:none;position:absolute;right:0;top:0}.ck.ck-editor__editable .table table td.ck-editor__editable_selected ::selection,.ck.ck-editor__editable .table table td.ck-editor__editable_selected:focus,.ck.ck-editor__editable .table table th.ck-editor__editable_selected ::selection,.ck.ck-editor__editable .table table th.ck-editor__editable_selected:focus{background-color:transparent}.ck.ck-editor__editable .table table td.ck-editor__editable_selected .ck-widget,.ck.ck-editor__editable .table table th.ck-editor__editable_selected .ck-widget{outline:unset}.ck.ck-editor__editable .table table td.ck-editor__editable_selected .ck-widget>.ck-widget__selection-handle,.ck.ck-editor__editable .table table th.ck-editor__editable_selected .ck-widget>.ck-widget__selection-handle{display:none}