Hide helm application row if local tiller

What does this MR do?

Hides the helm application row if :managed_apps_local_tiller feature flag is enabled

Screenshots

:managed_apps_local_tiller feature flag is disabled:

:managed_apps_local_tiller feature flag is enabled:

Does this MR meet the acceptance criteria?

Conformity

• [-] Changelog entry
• [-] Documentation (if required)
• Code review guidelines
• Merge request performance guidelines
• Style guides
• [-] Database guides
• [-] Separation of EE specific content

Availability and Testing

• Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.
• [-] Tested in all supported browsers