fix(cloud): launch newly registered accounts through Space (#2499)

* fix(cloud): launch new accounts through Space

* style: format Cloud entry URL

* fix(cloud): wait for launch workspace projection

---------

Co-authored-by: dadachann <185672915+dadachann@users.noreply.github.com>

web/tests/unit/cloud-new-account-entry.test.mjs

@@ -0,0 +1,17 @@
+import assert from 'node:assert/strict';
+import fs from 'node:fs';
+import test from 'node:test';
+
+const source = fs.readFileSync(
+  new URL('../../src/app/login/page.tsx', import.meta.url),
+  'utf8',
+);
+
+test('normal Cloud login enters through the Space Workspace launcher', () => {
+  assert.match(source, /cloudEntry:\s*!getPendingInvitationToken\(\)/);
+  assert.match(source, /getSpaceAuthorizeUrl\(redirectUri,\s*\{/);
+});
+
+test('invitation login remains on the OAuth callback path', () => {
+  assert.match(source, /cloudEntry:\s*!getPendingInvitationToken\(\)/);
+});