* Show/Hide SAVE tab based on whether saving campaign is allowed
* Fix Campaign List translations
* Remove social media links (they are not active)
* Add some nullptr checks to the UI code
* Correct copy&paste issues in transfer base section UI script
* cross-compile: Create directory creation in time in cross-env.sh
* Remove old, unused assets
* Retired UFOSlicer tool, we didn't really find a good usecase for it