Save options back to signal.value in VSCode (#7484)

Author: joehan

firebase-vscode/src/cli.ts

@@ -80,11 +80,12 @@ export async function requireAuthWrapper(
   // over Google login tokens and must be removed if a Google
   // account is the current user.
   try {
-    const userEmail = await requireAuth(currentOptions.value); // client email
+    const optsCopy = currentOptions.value;
+    const userEmail = await requireAuth(optsCopy); // client email
     // SetAccessToken is necessary here to ensure that access_tokens are available when:
     // - we are using tokens from configstore (aka those set by firebase login), AND
     // - we are calling CLI code that skips Command (where we normally call this)
-
+    currentOptions.value = optsCopy;
     setAccessToken(await getAccessToken()); 
     if (userEmail) {
       pluginLogger.debug("User found: ", userEmail);