fix(deck): Improve bazzite-rotation-fix (Thanks Aru!)

system_files/deck/kinoite/usr/libexec/bazzite-rotation-fix

@@ -4,7 +4,13 @@
 # Author: d3Xt3r
 
 SYS_ID="$(cat /sys/devices/virtual/dmi/id/product_name)"
-IS_GAMEMODE="$(cat /proc/*/comm | grep gamescope-ses*)"
+
+STEAM_PID=$(cat $HOME/.steam/steam.pid)
+STEAM_CMDLINE_PATH=/proc/$STEAM_PID/cmdline
+STEAM_CMDLINE=$(cat $STEAM_CMDLINE_PATH)
+
+IS_GAMEMODE=$(echo $STEAM_CMDLINE | grep gamepadui*)
+
 
 sleep 1
 echo $(date '+%Y-%m-%d %H:%M:%S') Starting Bazzite Desktop Orientation Fix script...| tee -a /tmp/bazrotfix.log