MLE-4199 MLE-14141 converter test and init logic

[vitalykorolev]

Description

• Add test for converter installation

• Simplify startup logic when init is false for compatibility with Kubernetes

  Checklist:

• Owner:

• [x] JIRA_ID as part of branch/PR name

• [x] Rebase the branch with upstream

• [x] Squashed all commits into a single commit

• [x] Added Tests

• Reviewer:

• [ ] Reviewed Tests

• [ ] Added to Release Wiki/Jira