install-sessions.sh: do not pollute system location
Created to track reapplying reverted !1651 (merged)
- /usr/local/.. is a better place for custom .desktop files
- target file doesn't need to be executable
(cherry picked from commit 5da3d758)
IMO it should wait until it's in a released version of sddm at least.
https://github.com/sddm/sddm/pull/1543
Merged. Now we will probably wait for the SDDM release.