Add hook to expose uid (#5612)

* add hook to expose uid

* use whenever for cleaner code

src/services/extensionService.ts

@@ -1,3 +1,4 @@
+import { useCurrentUser } from '@/composables/auth/useCurrentUser'
 import { useErrorHandling } from '@/composables/useErrorHandling'
 import { useSettingStore } from '@/platform/settings/settingStore'
 import { api } from '@/scripts/api'
@@ -72,6 +73,13 @@ export const useExtensionService = () => {
         }
       })()
     }
+
+    if (extension.onAuthUserResolved) {
+      const { onUserResolved } = useCurrentUser()
+      onUserResolved((user) => {
+        void extension.onAuthUserResolved?.(user, app)
+      })
+    }
   }
 
   /**