[Revert] Test fork approval flow

Author: st0012

.github/workflows/pr-preview-check.yml

@@ -32,7 +32,7 @@ jobs:
   approve-for-fork:
     name: Approve Fork PR
     runs-on: ubuntu-latest
-    if: github.event.pull_request.head.repo.fork == true
+    # if: github.event.pull_request.head.repo.fork == true
     environment: fork-preview-protection
     steps:
       - run: echo "Fork PR #${{ github.event.pull_request.number }} approved for preview deployment"