WhisperBack launcher in the applications menu should give a hint about its function

Originally created by @alant on #6432 (Redmine)

Current menu entry for WhisperBack is “WhisperBack” which is unclear. We should replace it by “Report a bug”, “Send feedback”, or something similar.

Feature Branch: whisperback:feature/update-description

Edited May 21, 2020 by alant

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