Added Bulgarian localization
Fixed a bug that caused Threema Work 2.0 for desktop not to work on certain devices
Fixed a bug in relation to the Threema Work widget
Fixed a vulnerability affecting older Android versions (up to Android 10): a malicious app installed on the same device as Threema Work could have tricked the user into sending any protected file within Threema Work sandbox to an existing contact (reported by Retr02332)
