Scoold: GET /api/posts/{id}/answers leaks private-space replies when personal API tokens are enabled

Scoold is a Q&A and a knowledge sharing platform for teams. Prior to 1.69.0, users with personal API tokens can retrieve replies from questions in private spaces they cannot access because src/main/java/com/erudika/scoold/api/ApiController.java in ApiController.getPostReplies() does not apply canAccessSpace before returning data from GET /api/posts/{id}/answers. The issue is reachable when scoold.api_user_access_enabled and scoold.api_enabled are true and a token holder knows or enumerates a private question identifier. Under those conditions, the question endpoint can deny access while the answers endpoint returns the private reply bodies, exposing confidential team or project discussions. This issue is fixed in version 1.69.0.