MDEV-33285 - Assertion `m_table' failed in ha_perfschema::rnd_end on CHECKSUM TABLE

[svoj]

• The Jira issue number for this PR is: MDEV-33285

Description

CHECKSUM TABLE causes variety of crashes when killed. This bug it not specific to PERFORMANCE_SCHEMA.

Removed duplicate handler::ha_rnd_end() call.

Release Notes

See description.

How can this PR be tested?

mtr kill_debug

Basing the PR against the correct MariaDB version

• This is a new feature or a refactoring, and the PR is based against the main branch.
• This is a bug fix, and the PR is based against the earliest maintained branch in which the bug can be reproduced.

PR quality check

• I checked the CODING_STANDARDS.md file and my PR conforms to this where appropriate.
• For any trivial modifications to the PR, I am ok with the reviewer making the changes themselves.

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}