fix: REST Handler hook compat

Author: seebeen

src/Invoker.php

@@ -399,6 +399,8 @@ private function invoke_methods( Can_Handle $h ): static {
             $this->add_callback( $cb );
         }
 
+        do_action( "xwp_di_hooks_loaded_{$h->get_classname()}" );
+
         return $this;
     }