consumer(ticdc): update the logic of consumer. (#4129)

[ti-chi-bot]

This is an automated cherry-pick of #4129

What problem does this PR solve?

Issue Number: close #4128

Use kafka-consumer program to maintain the order relationship between commitTs and watermarkTs.

watermarkTs also known as ResolvedTs in TiCDC source code.

What is changed and how it works?

Modify the implementation detail of the kakfa-consumer program.

• If meet ResolvedTs fallback, which means receive Resolved Event with Ts less than current ResolvedTs, just crash the consumer.
• If meet Row Changed Event or DDL Event with Ts not greater than the globalResolvedTs, just ignore these events should already be seen.

After this PR, the consumer should still be running stable.

Check List

Tests

• No code

Code changes

Side effects

Related changes

Release note

`None`.

[ti-chi-bot]

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[3AceShowHand]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: 1f1bc18