Cherry pick #86367 to 25.8: Fix logical error during writes to DeltaLake

[robot-clickhouse-ci-2]

Original pull-request #86367

Do not merge this PR manually

This pull-request is a first step of an automated backporting.
It contains changes similar to calling git cherry-pick locally.
If you intend to continue backporting the changes, then resolve all conflicts if any.
Otherwise, if you do not want to backport them, then just close this pull-request.

The check results does not matter at this step - you can safely ignore them.

Troubleshooting

If the conflicts were resolved in a wrong way

If this cherry-pick PR is completely screwed by a wrong conflicts resolution, and you want to recreate it:

• delete the pr-cherrypick label from the PR
• delete this branch from the repository

You also need to check the Original pull-request for pr-backports-created label, and delete if it's presented there

The PR source

The PR is created in the CI job

[robot-clickhouse]

Dear @kssenii, @divanik, the PR is not updated for 1d0h56m58s. Please, either resolve the conflicts, or close it to finish the backport process of #86367

[robot-clickhouse-ci-2]

Dear @kssenii, @divanik, the PR is not updated for 1d0h2m46s. Please, either resolve the conflicts, or close it to finish the backport process of #86367

[robot-ch-test-poll2]

Dear @kssenii, @divanik, the PR is not updated for 1d1h0m23s. Please, either resolve the conflicts, or close it to finish the backport process of #86367

[robot-ch-test-poll3]

Dear @kssenii, @divanik, the PR is not updated for 1d0h57m40s. Please, either resolve the conflicts, or close it to finish the backport process of #86367

[robot-ch-test-poll2]

Dear @kssenii, @divanik, the PR is not updated for 1d1h0m21s. Please, either resolve the conflicts, or close it to finish the backport process of #86367

[robot-clickhouse-ci-1]

Dear @kssenii, @divanik, the PR is not updated for 1d0h0m32s. Please, either resolve the conflicts, or close it to finish the backport process of #86367