[Bugfix] Doris Sink should not throw exception when the transaction is already committed/visible

[Larborator]

Purpose of this pull request

Related PR is #6755. When the transaction is already committed/visible, Doris sink should consider it is a successful load and not throw exception.
On the other hand, Doris V3.0 has updated stream load error messages, so we use COMMITTED_PATTERN.matcher(msg).find() instead of COMMITTED_PATTERN.matcher(msg).matches()

Below is Doris 3.0 load error msg:

Does this PR introduce any user-facing change?

How was this patch tested?

Check list

• If any new Jar binary package adding in your PR, please add License Notice according
  New License Guide
• If necessary, please update the documentation to describe the new feature. https://github.com/apache/seatunnel/tree/dev/docs
• If necessary, please update incompatible-changes.md to describe the incompatibility caused by this PR.
• If you are contributing the connector code, please check that the following files are updated:
  1. Update plugin-mapping.properties and add new connector information in it
  2. Update the pom file of seatunnel-dist
  3. Add ci label in label-scope-conf
  4. Add e2e testcase in seatunnel-e2e
  5. Update connector plugin_config

[Larborator]

@Hisoka-X Could you help review this PR?

[Larborator]

@zhangshenghang Could you help review this PR?

[Carl-Zhou-CN]

LGTM

[Carl-Zhou-CN]

@Larborator Thank you for your contribution