fix: crash on firing action hook that had no listeners registered

public/src/modules/hooks.js

@@ -36,6 +36,10 @@ define('hooks', [], () => {
 	};
 
 	const _fireActionHook = (hookName, data) => {
+		if (!Hooks.hasListeners(hookName)) {
+			return;
+		}
+
 		Hooks.loaded[hookName].forEach(listener => listener(data));
 
 		// Backwards compatibility (remove this when we eventually remove jQuery from NodeBB core)