Widget Visibility - Save button enabled on removal of conditional (#8339

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* Ensure Widget state becomes dirty when a Visibility conditional is removed.

The existing logic for coniditionals only cause the Widget state to become dirty when the last conditional is removed. This change makes the state become dirty on every delete action. This allows users to remove visibility clauses and save instead of making and reverting changes to other fields.

* Standard Spacing

modules/widget-visibility/widget-conditions/widget-conditions.js

@@ -116,6 +116,7 @@ jQuery( function( $ ) {
 			$( this ).closest( 'div.widget' ).find( 'a.display-options' ).click();
 			$condition.find( 'select.conditions-rule-major' ).val( '' ).change();
 		} else {
+			$condition.find( 'select.conditions-rule-major' ).change();
 			$condition.detach();
 		}