Make configuration of helper image more dynamic

What does this MR do?

Makes the helper_image setting more dynamic, by allowing to use version variable.

Why was this MR needed?

Please read #3747 and #3441 (closed) for context.

Are there points in the code the reviewer needs to double check?

Does this MR meet the acceptance criteria?

• Documentation created/updated
• Tests
  • Added for this feature/bug
  • All builds are passing
• Branch has no merge conflicts with master (if you do - rebase it please)

What are the relevant issue numbers?

Closes #3474 (closed)