[flink] Fix flaky Lumina data evolution index refresh IT

[ArnavBalyan]

Purpose

• This flaky test updates rows via _ROW_ID = 1 and asserts that the logical row with id = 1 was updated.
• However row ids are based on physical file order and are not guaranteed to match logical id, this causes the assertion to be mismatch at parallelism = 2.
• Ensure we use logical id to keep the assertion deterministic.

Tests

• UT Fix

[JingsongLi]

+1