fix: only flush app settings when updating app settings (#892)

Author: nicholasio

.changeset/new-swans-trade.md

@@ -0,0 +1,5 @@
+---
+"@headstartwp/headstartwp": patch
+---
+
+Fix: only flush app settings cache when updating app settings option

wp/headless-wp/includes/classes/API/AppEndpoint.php

@@ -223,7 +223,7 @@ public function prepare_menus( $menu ) {
 	 * @return void
 	 */
 	public function maybe_invalidate_cache( $option_name ) {
-		if ( self::$cache_key_store !== $option_name ) {
+		if ( self::$cache_key_store === $option_name ) {
 			$this->invalidate_cache();
 		}
 	}