What problem does this PR solve?

Problem Summary:

the last of Split PRs for #18717

full test will added by #20301

What is changed and how it works?

What's Changed, How it Works:

In this PR, we will:

• make planner use global stats under Dynamic-Only mode
• make feedback works
• make ddl create/truncate operation init stats meta
• make show stats_* works to observe stats data
• also make export/import stats works
• at last it add check before set prune mode to Dynamic-Only

Related changes

• n/a

Check List

Tests

• Unit test
• Integration test
• WIP

Side effects

• n/a

Release note

• No release note

This change is