Native DataFusion scan performance optimization opportunities identified

Multiple scan-related performance improvement tasks have been identified for native DataFusion scans, tracked across 10 separate issues. These improvements could enhance scan efficiency and query execution performance.

Review and prioritize the linked issues (#3735, #3321, #3481, #3720, #3311, #2672, #3434, #3432, #3305, #3748) to understand specific scan optimization opportunities. Monitor scan-related metrics before and after implementing improvements to measure impact.