Checkboxradio: Remove fieldset from being a form

owner so that radios in different fieldsets are properly associated. Fixes: #5366 - Enhanced radio buttons stay checked when others in group are clicked

js/widgets/forms/checkboxradio.js

@@ -154,7 +154,7 @@ $.widget( "mobile.checkboxradio", $.mobile.widget, {
 			return this.element;
 		}
 
-		return this.element.closest( "form, fieldset, :jqmData(role='page'), :jqmData(role='dialog')" )
+		return this.element.closest( "form, :jqmData(role='page'), :jqmData(role='dialog')" )
 			.find( "input[name='" + this.element[0].name + "'][type='" + this.inputtype + "']" );
 	},