Button to easily clear the search field in medialib

[Npa972]

Is your feature request related to a problem? Please describe.
Not a big problem

Describe the solution you'd like
A button to clear the search field in medialib

Describe alternatives you've considered
No idea

Additional context

Thnaks a lot !

[rumly111]

I wanted to open this issue, turns out it's already here :) I just want to add the screenshot since I've already made it:

There should be a "triangular thingy" that clears the search field with a mouse click.