Fix sorting of sparse columns with large limit

[CurtizJ]

Changelog category (leave one):

• Bug Fix (user-visible misbehavior in an official stable release)

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

Fixed sorting of sparse columns in case of ORDER BY ... LIMIT n clause and large values of n.

[robot-clickhouse-ci-1]

This is an automated comment for commit f13343b with description of existing statuses. It's updated for the latest CI running
The full report is available here
The overall status of the commit is 🔴 error

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[SmitaRKulkarni]

LGTM

[alexey-milovidov]

It shows that the test was passed before the fix.

[CurtizJ]

With previous version the test failed more or less stable with ubsan and led to crash with other builds in about one of ten runs.