fix: hide the welcome notice for users who lack install_plugins permi…

…ssions

inc/core/admin.php

@@ -388,7 +388,7 @@ public function admin_notice() {
 			return;
 		}
 
-		if ( ! current_user_can( 'manage_options' ) ) {
+		if ( ! current_user_can( 'install_plugins' ) ) {
 			return;
 		}