Extract static DATA_KEY & EVENT_KEY to base-component (#33635)

* Force each plugin that extends base-components to implement a static method `NAME()`
* Remove redundant `NAME` argument from 'Utils.defineJQueryPlugin' & fix test

js/src/dropdown.js

@@ -116,8 +116,8 @@ class Dropdown extends BaseComponent {
     return DefaultType
   }
 
-  static get DATA_KEY() {
-    return DATA_KEY
+  static get NAME() {
+    return NAME
   }
 
   // Public
@@ -530,6 +530,6 @@ EventHandler.on(document, EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (
  * add .Dropdown to jQuery only if jQuery is present
  */
 
-defineJQueryPlugin(NAME, Dropdown)
+defineJQueryPlugin(Dropdown)
 
 export default Dropdown