NIFI-15741: When synchronizing flow, delegate Connector starts to Flo…

[markap14]

…wController first so that they are not started before FlowController has initialized and not at all if autoResumeState=false

Summary

NIFI-00000

Tracking

Please complete the following tracking steps prior to pull request creation.

Issue Tracking

• Apache NiFi Jira issue created

Pull Request Tracking

• Pull Request title starts with Apache NiFi Jira issue number, such as NIFI-00000
• Pull Request commit message starts with Apache NiFi Jira issue number, as such NIFI-00000
• Pull request contains commits signed with a registered key indicating Verified status

Pull Request Formatting

• Pull Request based on current revision of the main branch
• Pull Request refers to a feature branch with one commit containing changes

Verification

Please indicate the verification steps performed prior to pull request creation.

Build

• Build completed using ./mvnw clean install -P contrib-check
  • JDK 21
  • JDK 25

Licensing

• New dependencies are compatible with the Apache License 2.0 according to the License Policy
• New dependencies are documented in applicable LICENSE and NOTICE files

Documentation

• Documentation formatting appears as expected in rendered files

[kevdoran]

+1, thanks for this @markap14. Will merge pending a successful CI build

[pvillard31]

Merging is blocked
Commits must have verified signatures.

[kevdoran]

@markap14 can you review your commit sigs?

[exceptionfactory]

I noticed the following system test failing across all platforms:

ConnectorAutoResumeIT.testConnectorNotResumedWhenAutoResumeDisabled:74 expected: <STOPPED> but was: <UPDATED>