[FIX] web_editor: prevent reset editor

When a change was made on the same record, the editor could wrongly
be reset.

Step to reproduce:
- Go in knowledge app
- Click inside the editor outside a template block
- Click on inside a template block
- Click inside the editor outsie a template block
=> The editor is reset

closes odoo/odoo#103947

X-original-commit: d0a079a76c3f5078178717966e3d4caf0987ebf9
Signed-off-by: David Monjoie (dmo) <dmo@odoo.com>

addons/web_editor/static/src/js/backend/html_field.js

@@ -51,11 +51,17 @@ export class HtmlFieldWysiwygAdapterComponent extends ComponentAdapter {
 
     updateWidget(newProps) {
         const lastValue = String(this.props.widgetArgs[0].value || '');
+        const lastRecordInfo = this.props.widgetArgs[0].recordInfo;
         const lastCollaborationChannel = this.props.widgetArgs[0].collaborationChannel;
         const newValue = String(newProps.widgetArgs[0].value || '');
+        const newRecordInfo = newProps.widgetArgs[0].recordInfo;
         const newCollaborationChannel = newProps.widgetArgs[0].collaborationChannel;
 
-        if ((newValue !== newProps.editingValue && lastValue !== newValue) || !_.isEqual(lastCollaborationChannel, newCollaborationChannel)) {
+        if (
+            (newValue !== newProps.editingValue && lastValue !== newValue) ||
+            !_.isEqual(lastRecordInfo, newRecordInfo) ||
+            !_.isEqual(lastCollaborationChannel, newCollaborationChannel))
+        {
             this.widget.resetEditor(newValue, {
                 collaborationChannel: newCollaborationChannel,
             });
@@ -99,13 +105,23 @@ export class HtmlField extends Component {
                 this.cssEditAsset = await ajax.loadAsset(this.props.cssEditAssetId || 'web_editor.assets_edit_html_field');
             }
         });
+        this._lastRecordInfo = {
+            res_model: this.props.record.resModel,
+            res_id: this.props.record.resId,
+        };
         onWillUpdateProps((newProps) => {
             if (!newProps.readonly && this.state.iframeVisible) {
                 this.state.iframeVisible = false;
             }
-            if (!this._selfUpdating) {
+
+            const newRecordInfo = {
+                res_model: this.props.record.resModel,
+                res_id: this.props.record.resId,
+            };
+            if (!_.isEqual(this._lastRecordInfo, newRecordInfo)) {
                 this.currentEditingValue = undefined;
             }
+            this._lastRecordInfo = newRecordInfo;
         });
         useEffect(() => {
             (async () => {
@@ -266,9 +282,7 @@ export class HtmlField extends Component {
                 this.props.setDirty(true);
             }
             this.currentEditingValue = value;
-            this._selfUpdating = true;
             await this.props.update(value);
-            this._selfUpdating = false;
         }
     }
     async startWysiwyg(wysiwyg) {