OXDEV-9988 Fix Bootstrap 5 dropdown conflict in Summernote toolbar

Add click handlers to toolbar dropdown buttons that toggle via Bootstrap's
Dropdown API. This fixes dropdowns not opening due to Bootstrap 5's event
delegation not recognizing dynamically created Summernote toolbar buttons.

Author: RahatHameed

CHANGELOG.md

@@ -4,6 +4,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [6.0.2] - Unreleased
+
+### Fixed
+- Summernote toolbar dropdowns not opening due to Bootstrap 5 event delegation conflict
+
 ## [6.0.1] - 2025-11-10
 
 ### Fixed

assets/out/src/js/summernote/ddoesummernote.min.js

@@ -67,6 +67,19 @@ export async function initializeSummernote(element, options) {
     var summernote = element.summernote(settings);
     replaceLinkDialogModule(summernote);
     overrideEditorMethods(summernote);
+
+    // Fix Bootstrap 5 dropdown conflict - add click handlers to toggle via Bootstrap API
+    const context = element.data('summernote');
+    if (context && context.layoutInfo && context.layoutInfo.toolbar) {
+        context.layoutInfo.toolbar.find('.dropdown-toggle').on('click', function(e) {
+            e.preventDefault();
+            e.stopPropagation();
+            if (window.bootstrap && window.bootstrap.Dropdown) {
+                window.bootstrap.Dropdown.getOrCreateInstance(this).toggle();
+            }
+        });
+    }
+
     return summernote;
 }
 

assets/out/src/js/summernote/ddoesummernote.min.js.map

@@ -15,6 +15,26 @@
 #[Group('ddoewysiwyg')]
 final class TextareaCheckCest
 {
+    public function summernoteFontSizeDropdownWorks(AcceptanceTester $I): void
+    {
+        $I->wantToTest('Summernote font size dropdown opens when clicked');
+
+        $adminPanel = $I->loginAdmin();
+        $adminPanel->openProducts();
+        $I->selectEditFrame();
+
+        $I->waitForElement('.note-editor', 15);
+        $I->wait(3);
+
+        $fontSizeDropdownButton = '.note-toolbar .note-fontsize button.dropdown-toggle';
+        $I->waitForElementClickable($fontSizeDropdownButton, 5);
+
+        $I->click($fontSizeDropdownButton);
+        $I->wait(1);
+
+        $I->seeElement('.note-toolbar .note-fontsize .dropdown-menu.show');
+    }
+
     public function productDescriptionTextAreaModified(AcceptanceTester $I): void
     {
         $I->wantToTest('Module improves the product description textarea');