[FIX] web_editor: wysiwyg coherent API

Before this commit the function getContentEditableAreas passed in options
was not correctly called.

The OdooEditor which receives it too passes itself to it.

This commit corrects the call in Wysiwyg to that function and passes the odooEditor instance

Part-of: odoo/odoo#126963

addons/web_editor/static/src/js/wysiwyg/wysiwyg.js

@@ -342,7 +342,7 @@ const Wysiwyg = Widget.extend({
             window.addEventListener('beforeunload', this._onBeforeUnload);
         }
         if (this.options.getContentEditableAreas) {
-            $(this.options.getContentEditableAreas()).find('*').off('mousedown mouseup click');
+            $(this.options.getContentEditableAreas(this.odooEditor)).find('*').off('mousedown mouseup click');
         }
 
         // The toolbar must be configured after the snippetMenu is loaded
@@ -735,7 +735,7 @@ const Wysiwyg = Widget.extend({
         $body.off('mousemove', this.resizerMousemove);
         $body.off('mouseup', this.resizerMouseup);
         const $wrapwrap = $('#wrapwrap');
-        if ($wrapwrap.length) {
+        if ($wrapwrap.length && this.odooEditor) {
             $('#wrapwrap')[0].removeEventListener('scroll', this.odooEditor.multiselectionRefresh, { passive: true });
         }
         $(this.$root).off('click');
@@ -901,7 +901,7 @@ const Wysiwyg = Widget.extend({
         this.savingContent = true;
         await this.cleanForSave();
 
-        const editables = this.options.getContentEditableAreas();
+        const editables = "getContentEditableAreas" in this.options ? this.options.getContentEditableAreas(this.odooEditor) : [];
         await this.savePendingImages(editables.length ? $(editables) : this.$editable);
         await this._saveViewBlocks();
         this.savingContent = false;