Checking if Ims is already initialized before loading it (#2802)

* Checking if Ims is already initialized

* Moving the check to global navigation

* Lint fix

libs/blocks/global-navigation/global-navigation.js

@@ -322,15 +322,15 @@ class Gnav {
     isDesktop.addEventListener('change', closeAllDropdowns);
   }, 'Error in global navigation init', 'errorType=error,module=gnav');
 
-  ims = async () => loadIms()
+  ims = async () => (window.adobeIMS?.initialized ? this.imsReady() : loadIms()
     .then(() => this.imsReady())
     .catch((e) => {
       if (e?.message === 'IMS timeout') {
         window.addEventListener('onImsLibInstance', () => this.imsReady());
         return;
       }
       lanaLog({ message: 'GNAV: Error with IMS', e, tags: 'errorType=info,module=gnav' });
-    });
+    }));
 
   decorateTopNav = () => {
     this.elements.mobileToggle = this.decorateToggle();