[FIX] web_editor, *: expose access to all snippet options UI

* website_form

To support old theme options, a hack had to be made to allow access to
left panel UI. This will be improved in master.

Part of https://github.com/odoo/odoo/pull/38495
task-2083198

X-original-commit: 5ac6a7a5dbd2af1190d0d027d0239dd1cfc257b0

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

@@ -359,6 +359,10 @@ var SnippetEditor = Widget.extend({
         $optionsSection.on('click', '.oe_snippet_remove', this._onRemoveClick.bind(this));
         this._customize$Elements.push($optionsSection);
 
+        // TODO get rid of this when possible (made as a fix to support old
+        // theme options)
+        this.$el.data('$optionsSection', $optionsSection);
+
         var i = 0;
         var defs = _.map(this.templateOptions, val => {
             if (!val.selector.is(this.$target)) {

addons/website_form/static/src/js/website_form_editor.js

@@ -530,8 +530,8 @@ odoo.define('website_form_editor', function (require) {
         disable_button: function (button_name, message) {
             // TODO refactor in master
             var className = 'oe_snippet_' + button_name;
-            this.$overlay.on('click', '.' + className, this.prevent_button);
-            var $button = this.$overlay.find('.' + className);
+            this.$overlay.add(this.$overlay.data('$optionsSection')).on('click', '.' + className, this.prevent_button);
+            var $button = this.$overlay.add(this.$overlay.data('$optionsSection')).find('.' + className);
             $button.attr('title', message).tooltip({delay: 0});
             $button.removeClass(className); // Disable the functionnality
         },