[FIX] web_editor: prevent class to create history steps

There is some classes that are technical and should not create steps.
Otherwise it compromise the ability to undo/redo or compromise the
ability to detect the dirty elements properly.

This commit prevent thoses classes additions and removals to create
history steps.

task-2836351

closes odoo/odoo#91074

Forward-port-of: #90064
X-original-commit: 41d8a0f246a134e2b5292da4db11e67aa9cfb4ed
Signed-off-by: David Monjoie (dmo) <dmo@odoo.com>

addons/web_editor/static/src/js/editor/snippets.options.js

@@ -6892,7 +6892,9 @@ registry.ColoredLevelBackground = registry.BackgroundToggler.extend({
      * @private
      */
     _markColorLevel: function () {
+        this.options.wysiwyg.odooEditor.observerUnactive('_markColorLevel');
         this.$target.addClass('o_colored_level');
+        this.options.wysiwyg.odooEditor.observerActive('_markColorLevel');
     },
 });
 

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

@@ -76,13 +76,19 @@ const LinkPopoverWidget = Widget.extend({
             container: this.options.wysiwyg.odooEditor.document.body,
         })
         .on('show.bs.popover.link_popover', () => {
+            this.options.wysiwyg.odooEditor.observerUnactive('show.bs.popover');
             this._loadAsyncLinkPreview();
             popoverShown = true;
         })
+        .on('inserted.bs.popover', () => {
+            this.options.wysiwyg.odooEditor.observerActive('show.bs.popover');
+        })
         .on('hide.bs.popover.link_popover', () => {
+            this.options.wysiwyg.odooEditor.observerUnactive('hide.bs.popover');
             popoverShown = false;
         })
         .on('hidden.bs.popover.link_popover', () => {
+            this.options.wysiwyg.odooEditor.observerActive('hide.bs.popover');
             for (const tooltip of tooltips) {
                 tooltip.hide();
             }
@@ -261,7 +267,15 @@ LinkPopoverWidget.createFor = async function (parent, targetEl, options) {
         return null;
     }
     const popoverWidget = new this(parent, targetEl, options);
-    return popoverWidget.appendTo(targetEl).then(() => popoverWidget);
+    const wysiwyg = $('#wrapwrap').data('wysiwyg');
+    if (wysiwyg) {
+        wysiwyg.odooEditor.observerUnactive('LinkPopoverWidget');
+    }
+    await popoverWidget.appendTo(targetEl)
+    if (wysiwyg) {
+        wysiwyg.odooEditor.observerActive('LinkPopoverWidget');
+    }
+    return popoverWidget;
 };
 
 export default LinkPopoverWidget;

addons/website/static/tests/tours/link_tools.js

@@ -56,6 +56,18 @@ tour.register('link_tools', {
         content: "The new link content should be odoo website and url odoo.be",
         trigger: '#toolbar button[data-original-title="Link Style"]',
     },
+    {
+        trigger: 'body',
+        run: () => {
+            // When doing automated testing, the link popover takes time to
+            // hide. While hidding, the editor observer is unactive in order to
+            // prevent the popover mutation to be recorded. In a manual
+            // scenario, the popover has plenty of time to be hidden and the
+            // obsever would be re-activated in time. As this problem arise only
+            // in test, we activate the observer here for the popover.
+            $('#wrapwrap').data('wysiwyg').odooEditor.observerActive('hide.bs.popover');
+        },
+    },
     {
         content: "Click on the secondary style button.",
         trigger: '#toolbar we-button[data-value="secondary"]',