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Summary

This PR introduces filter pushdown support for vector indexes, significantly improving query performance by implementing a new optimizer rule, RulePushDownSortFilterScan, which pushes filters based solely on distance functions calculated on vector columns down to the storage layer for efficient block-level filtering.

part of : #17972

Tests

• Unit Test
• Logic Test
• Benchmark Test
• No Test - Explain why

Type of change

• Bug Fix (non-breaking change which fixes an issue)
• New Feature (non-breaking change which adds functionality)
• Breaking Change (fix or feature that could cause existing functionality not to work as expected)
• Documentation Update
• Refactoring
• Performance Improvement
• Other (please describe):

This change is