qgroundcontrol: fixes #49870

The `.desktop` referenced a non existent script to run `QGroundControl`. This commits adds a `sed` command, which replaces the non existent script by the name of the `QGroundControl` binary in the relevant `.desktop` file.

pkgs/applications/science/robotics/qgroundcontrol/default.nix

@@ -37,6 +37,7 @@ stdenv.mkDerivation rec {
     cd ..
 
     mkdir -p $out/share/applications
+    sed 's/Exec=.*$/Exec=QGroundControl/g' --in-place deploy/qgroundcontrol.desktop
     cp -v deploy/qgroundcontrol.desktop $out/share/applications
 
     mkdir -p $out/bin