fix(client-config): set isLoaded to false on API status update (#12371)

Attempt at #12289 (edit Félix: removed fix keyword since I don't think
it fixes it)

---------

Co-authored-by: Félix Malfait <felix.malfait@gmail.com>
Co-authored-by: Félix Malfait <felix@twenty.com>

packages/twenty-front/src/modules/apollo/utils/hasTokenPair.ts

@@ -0,0 +1,7 @@
+import { getTokenPair } from '@/apollo/utils/getTokenPair';
+import { isDefined } from 'twenty-shared/utils';
+
+export const hasTokenPair = () => {
+  const tokenPair = getTokenPair();
+  return isDefined(tokenPair) && isDefined(tokenPair.accessToken?.token);
+};