add load table on 2.3.17.5

[lizhenhuan]

What problem does this PR solve?

close #2813

What is changed and how it works?

copy code from master
Add spark.tispark.load_tables conf on 2.3.17.5
User can add this conf to disable table catalog load when job start

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Code changes

• Has exported function/method change
• Has exported variable/fields change
• Has interface methods change
• Has persistent data change

Side effects

• Possible performance regression
• Increased code complexity
• Breaking backward compatibility

Related changes

• Need to cherry-pick to the release branch
• Need to update the documentation
• Need to update the tidb-ansible repository
• Need to be included in the release note

[sre-bot]

All committers have signed the CLA.

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[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: shiyuhang0

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