[lib] Turn the flag on for dev

Summary:
In D14265 we made this flag true for all the staff users, but by mistake this resulted in turning this flag off for the dev users.

https://linear.app/comm/issue/ENG-10127/logging-out-on-the-web-results-in-an-error

Test Plan: Check if the proper login layout is shown on dev.

Reviewers: kamil, bartek

Reviewed By: kamil, bartek

Subscribers: ashoat

Differential Revision: https://phab.comm.dev/D14284

lib/utils/services-utils.js

@@ -2,6 +2,7 @@
 
 import base64 from 'base-64';
 
+import { isDev } from './dev-utils.js';
 import { getMessageForException } from './errors.js';
 import type { AuthMetadata } from '../shared/identity-client-context.js';
 import { useIsCurrentUserStaff } from '../shared/staff-utils.js';
@@ -23,7 +24,13 @@ const relyingOnAuthoritativeKeyserver = true;
 // If this returns true, then we're using the login 2.0, which means that a user
 // can either restore an account (primary login) or log in using the QR code
 // (secondary login).
-const useIsRestoreFlowEnabled = useIsCurrentUserStaff;
+function useIsRestoreFlowEnabled(): boolean {
+  const isCurrentUserStaff = useIsCurrentUserStaff();
+  if (isDev) {
+    return true;
+  }
+  return isCurrentUserStaff;
+}
 
 function createHTTPAuthorizationHeader(authMetadata: AuthMetadata): string {
   // explicit destructure to make it future-proof