Terminal profile icons

[YSCohen]

Description of the new feature / enhancement

In issue #4194 , ddavidegiacometti (wisely) noted that

A Terminal profile icon could be a resource inside Terminal package or an image file.
Since retrieve icons from the package could be tricky, for the sake of simplicity I would use plugin icon or Terminal icon.

However, can we at least add an optional feature to show the profile icon? (maybe just when it's a normal image file referenced in settings.json)

Scenario when this would be used?

It would make profiles more quickly identifiable

Supporting information

No response