Issue 13: Improve Error Handling and Status Codes in REST Resources

Sergey Drakrequested to merge
issue/myrest-3583696:3583696-improve-error-handling into 1.0.x
  • Updated MyrestResourceBase::errorResponse to support dynamic HTTP status codes and Logger API logging. - Implemented try-catch blocks and validation in 9 REST resource plugins (Nodes, Forms, Reviews). - Standardized HTTP response codes: 201 Created for successful POST, 400/500 for errors. - Updated ISSUES.md status for Issue 13 to DONE.

Closes #3583696

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