chore(query): clarify rollback warning for incompatible grants

[TCeason]

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Summary

Log skipped incompatible grant entries as warnings and clarify that only the affected entry is ignored while other grants and role memberships remain available.

Tests

• Unit Test
• Logic Test
• Benchmark Test
• No Test - moidfy a log level

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):

AI assistance

• AI usage:None
• Responsible human: @TCeason
• The responsible human has read every line of this diff and can explain each change

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This change is