Merge branch 'underscore-templates' into 'master'

Naive attempt at fixing Underscore templates

## What does this MR do?

Attempts to fix part of #18939.

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

That this doesn't break anything.

## Why was this MR needed?

See #18939.

## What are the relevant issue numbers?

#18939 

## Does this MR meet the acceptance criteria?

- Tests
  - [ ] Added for this feature/bug
  - [ ] All builds are passing

See merge request !4842