Remove Async query param & Fix rollback operation

[EyalDelarea]

• The pull request is targeting the main branch.
• The code has been validated to compile successfully by running go vet ./....
• The code has been formatted properly using go fmt ./....
• All static analysis checks passed.
• All tests have passed. If this feature is not already covered by the tests, new tests have been added.
• All integration tests have passed locally as they cannot be automated yet.
• All changes are detailed at the description. if not already covered at JFrog Documentation, new documentation have been added.

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[github-actions]

Unit Tests Results

182 tests  +4   182 ✅ +4   0s ⏱️ ±0s
 25 suites ±0     0 💤 ±0 
  1 files   ±0     0 ❌ ±0 

Results for commit 5cda814. ± Comparison against base commit 9765b4f.

This pull request removes 3 and adds 7 tests. Note that renamed tests count towards both.

github.com/jfrog/jfrog-cli-application/apptrust/commands/version ‑ TestRollbackAppVersionCommand_Run_Error
github.com/jfrog/jfrog-cli-application/apptrust/service/versions ‑ TestRollbackAppVersion/successful_rollback_with_200
github.com/jfrog/jfrog-cli-application/apptrust/service/versions ‑ TestRollbackAppVersion/successful_rollback_with_204

github.com/jfrog/jfrog-cli-application/apptrust/commands/version ‑ TestRollbackAppVersionCommand_Run/failed_rollback
github.com/jfrog/jfrog-cli-application/apptrust/commands/version ‑ TestRollbackAppVersionCommand_Run/successful_rollback_with_sync=false
github.com/jfrog/jfrog-cli-application/apptrust/commands/version ‑ TestRollbackAppVersionCommand_Run/successful_rollback_with_sync=true
github.com/jfrog/jfrog-cli-application/apptrust/service/versions ‑ TestRollbackAppVersion/failed_rollback_-_sync=false_but_got_200
github.com/jfrog/jfrog-cli-application/apptrust/service/versions ‑ TestRollbackAppVersion/failed_rollback_-_sync=true_but_got_202
github.com/jfrog/jfrog-cli-application/apptrust/service/versions ‑ TestRollbackAppVersion/successful_rollback_with_sync=false
github.com/jfrog/jfrog-cli-application/apptrust/service/versions ‑ TestRollbackAppVersion/successful_rollback_with_sync=true

♻️ This comment has been updated with latest results.

[github-actions]

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