Antalya 26.6 Backport of #109023 - Fix Inconsistent KeyCondition behavior for wider-typed key comparisons

[mkmkme]

Changelog category (leave one):

• CI Fix or Improvement (changelog entry is not required)

Changelog entry (a user-readable short description of the changes that goes to CHANGELOG.md):

Fix Inconsistent KeyCondition behavior for wider-typed key comparisons (ClickHouse#109023 by @groeneai)

Documentation entry for user-facing changes

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CI/CD Options

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• Fast test
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• All Regression
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Regression jobs to run:

• Fast suites (mostly <1h)
• Aggregate Functions (2h)
• Alter (1.5h)
• Benchmark (30m)
• CAS (content-addressed storage; Antalya only)
• ClickHouse Keeper (1h)
• Iceberg (2h)
• LDAP (1h)
• OAuth (5m)
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• SSL Server (1h)
• S3 (2h)
• S3 Export (2h)
• Swarms (30m)
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[github-actions]

Workflow [PR], commit [4843642]