Verify the Generator default config and allow to show in CLI

[DerManoMann]

Fixes #1924, related to #1749, #1738

[github-actions]

Created backport PR for 5.x:

• [Backport #1925 to 5.x] Verify the Generator default config and allow to show in CLI #1926 with remaining conflicts!

Please cherry-pick the changes locally and resolve any conflicts.

git fetch origin backport-1925-to-5.x
git worktree add --checkout .worktree/backport-1925-to-5.x backport-1925-to-5.x
cd .worktree/backport-1925-to-5.x
git reset --hard HEAD^
git cherry-pick -x 5d7d7371e9a9349abdc1dc83379774dcf8f72e0c
git push --force-with-lease