Add filename label to Inspector preview of textures

[Arnklit]

Describe the project you are working on

A game in production

Describe the problem or limitation you are having in your project

When looking at the inspector we need to be able to quickly see what file is assigned. Currently you have to hover for a moment to see the filename.

No filename:

Describe the feature / enhancement and how it helps to overcome the problem or limitation

print the filename at the top of the preview.

Describe how your proposal will work, with code, pseudo-code, mock-ups, and/or diagrams

If this enhancement will not be used often, can it be worked around with a few lines of script?

It would be used often.

Is there a reason why this should be core and not an add-on in the asset library?

This is about improving the default editor experience.