Close dropdown when "Reload"-Entity Action has executed (#19808)

Bind 'action-executed' event handler to class instance

Updated the event listener for 'action-executed' to bind the handler to the class instance, ensuring correct 'this' context when the event is triggered.

tests/Umbraco.Tests.AcceptanceTest/console-errors.json

@@ -0,0 +1,3 @@
+{
+  "consoleErrors": []
+}