PERF-#7132: Preserve partition lengths in apply_full_axis with keep_partitioning=False

[YarShev]

What do these changes do?

• first commit message and PR title follow format outlined here

  NOTE: If you edit the PR title to match this format, you need to add another commit (even if it's empty) or amend your last commit for the CI job that checks the PR title to pick up the new PR title.

• passes flake8 modin/ asv_bench/benchmarks scripts/doc_checker.py
• passes black --check modin/ asv_bench/benchmarks scripts/doc_checker.py
• signed commit with git commit -s
• Resolves Preserve partition lengths in apply_full_axis with keep_partitioning=False #7132
• tests passing
• module layout described at docs/development/architecture.rst is up-to-date

[anmyachev]

@YarShev please rebase on master so that we can see identical blocks that will need to be moved a little.

[YarShev]

@YarShev please rebase on master so that we can see identical blocks that will need to be moved a little.

@anmyachev, done