add labels as a further **Search filter** for automatic translations

[JohnRDOrazio]

Describe the problem

In one of my projects, I have labeled translation strings such that some (UI strings, error message strings) can be machine translated, whereas others must be translated by a human based on given existing resources. However, the current UI for the automatic translation feature only allows to filter by a few options

Describe the solution you would like

It would be nice to have a second label filter, allowing to restrict which of the resulting strings from the previous filter should be machine translated. For example: Search filter: Untranslated strings || Label filter: machine translatable.

This would have to be a second filter, not mutually exclusive with the first (i.e. they shouldn't be in the same dropdown, you shouldn't have to choose between Untranslated strings and Label: machine translatable).

Describe alternatives you have considered

No response

Screenshots

Additional context

No response

[nijel]

Duplicate of #4107