fix: Correct issue with screen rotation on non-deck hardware

Author: KyleGospo

system_files/deck/shared/usr/etc/X11/Xsession.d/50rotate-screen

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+set -e
+SYS_ID="$(cat /sys/devices/virtual/dmi/id/product_name)"
+
+if [[ ":Jupiter:" =~ ":$SYS_ID:" ]]; then
+  # Rotate the builtin screen every time so it's the right way around.
+  xrandr --output "eDP" --rotate "right"
+fi