tint trash red

[r10s]

the first two commits unify the usage of the trashcan icon. in case of "enlarge media", trashing images should also not be a primary action; it is not what is done in many cases.

the last commits then replace the old "white trashcan" by a red one, which looks like the following:

color details

in fact, the red goes to some orange, giving contrast by also making the menu background slightly darker in light mode. the folling images show the first attempt with more red and unchanged background, however, this resulted in more "bleeding":

closes #3186

[github-actions[bot]]

To test the changes in this pull request, install this apk: 📦 app-preview.apk

[r10s]

ah, CI buils again :)

[github-actions[bot]]

To test the changes in this pull request, install this apk: 📦 app-preview.apk