N°7552 - CKEditor: Include CKE styles in the backoffice theme and emails style

css/backoffice/utils/helpers/_text-decoration.scss

@@ -103,7 +103,8 @@ $ibo-figure--spacing-y: 2em !default;
  * See https://bulma.io/documentation/elements/content/
  */
 .ibo-is-html-content {
-  @extend .content;
+  @extend .content; /* Bulma styles */
+  @extend .ck-content; /* CKEditor styles */
 
   /* For table to render like in CKEditor, works with bulma lib. overload see:
    * - ../../vendors/_bulma-variables-overload.scss)

css/backoffice/vendors/_all.scss

@@ -8,7 +8,7 @@
 @import "../../../node_modules/bulma-scss/utilities/all";
 @import "../../../node_modules/bulma-scss/base/all";
 @import "../../../node_modules/bulma-scss/elements/content";
-@import "ckeditor";
+@import "ckeditor/all";
 @import "c3";
 @import "tippy";
 @import "jqueryui";

css/backoffice/vendors/ckeditor/_all.scss

@@ -0,0 +1,7 @@
+/*!
+ * @copyright   Copyright (C) 2010-2024 Combodo SAS
+ * @license     http://opensource.org/licenses/AGPL-3.0
+ */
+
+@import "../../../../js/ckeditor/build/compiled-theme"; /* CKEditor content styles (tables, lists, ...) */
+@import "overloads"; /* Overloads of CKEditor styles for the backoffice */