Package & distribute frontend bundle when doing releases for Linux (#2500)

* Package & distribute frontend bundle when doing releases for Linux

* Only check for tar.xz frontend bundle

* debug

* Fix sd-desktop
This commit is contained in:
Internal Server Error - Gitea: Git with a cup of tea
500 Internal Server Error

Gitea Version: 1.28.0+dev-477-g8b6ad49a5f