Allow users to specify different image registry for helm chart resources and TridentOrchestrator

[TomasKohout]

Change description

Allow users to specify different image registry for helm chart resources and TridentOrchestrator

Project tracking

None

Do any added TODOs have an issue in the backlog?

Nope

Did you add unit tests? Why not?

Not necessary

Does this code need functional testing?

Nope

Is a code review walkthrough needed? why or why not?

Not sure.

Should additional test coverage be executed in addition to pre-merge?

No

Does this code need a note in the changelog?

Yes.

Does this code require documentation changes?

Not sure

Additional Information

This PR allows setting different image registry for helm deployment images and TridentOrchestrator.