* feat: add IssueListDetailSerializer for detailed issue representation
- Introduced IssueListDetailSerializer to enhance issue data representation with expanded fields.
- Updated issue detail endpoint to utilize the new serializer for improved data handling.
- Added methods for retrieving related module, label, and assignee IDs, along with support for expanded relations.
* feat: add ViewIssueListSerializer and enhance issue ordering
- Introduced ViewIssueListSerializer for improved issue representation, including assignee, label, and module IDs.
- Updated WorkspaceViewIssuesViewSet to utilize the new serializer and optimized queryset with prefetching.
- Enhanced order_issue_queryset to maintain consistent ordering by created_at alongside other fields.
- Modified pagination logic to support total count retrieval for better performance.
* fix: optimize issue filtering and pagination logic
- Updated WorkspaceViewIssuesViewSet to apply filters more efficiently in the issue query.
- Refined pagination logic in OffsetPaginator to ensure consistent behavior using limit instead of cursor.value, improving overall pagination accuracy.
* fix: improve pagination logic in OffsetPaginator
- Updated the next_cursor calculation to use the length of results instead of cursor.value, ensuring accurate pagination behavior.
- Added a comment to clarify the purpose of checking for additional results after the current page.
* Move the common permission filters into a separate method
* fix: handle deleted related issues in serializers
- Updated IssueListDetailSerializer to skip null related issues when building relations.
- Enhanced ViewIssueListSerializer to safely access state.group, returning None if state is not present.
- Removed unused User import in base.py for cleaner code.
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Co-authored-by: Dheeraj Kumar Ketireddy <dheeru0198@gmail.com>