Temporarily address pwa-builder#3286 to enable Sign in with Google wi…

…th a reduced response when strict privacy mode (Block third-party cookies or InPrivate Browsing) is used (until we switch to Google Identity Services for Web as tracked in pwa-builder#3309).

components/pwa-auth/src/google-provider.ts

@@ -77,7 +77,7 @@ export class GoogleProvider implements SignInProvider {
             return Promise.resolve(this.getSignInResultFromUser(user));
         }
 
-        const I = e.signIn();
+        const I = auth.signIn();
         const Y = async signal => {
           const z = await matchingEvent('message', { t: e => JP(e.data), p: d => d?.params?.type == 'authResult', signal });
           const id_token = z.params.authResult.id_token;