[feat] systray linux: unlink temp files as soon as they are in use

Stop generating one file in /tmp for each icon change. Let's move the clean up to the set icon instead of waiting for the quit clean up. Unlink will remove the file from /tmp, but app_indicator will hold a descriptor until it finishes with it.

• Resolves: #60 (closed)

added 1 commit

• 34ed78a1 - [feat] systray linux: unlink temp files as soon as they are in use

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merged

mentioned in issue #78 (closed)