Extract Component config functionality to a separate class (#33872)

Co-authored-by: XhmikosR <xhmikosr@gmail.com>

js/src/popover.js

@@ -60,6 +60,10 @@ class Popover extends Tooltip {
     return Default
   }
 
+  static get DefaultType() {
+    return DefaultType
+  }
+
   static get NAME() {
     return NAME
   }
@@ -68,10 +72,6 @@ class Popover extends Tooltip {
     return Event
   }
 
-  static get DefaultType() {
-    return DefaultType
-  }
-
   // Overrides
   _isWithContent() {
     return this._getTitle() || this._getContent()