Fixed crash bug if yad is not installed and agm is launched from a gui. Insure AGM is not ran as the root users. If people who really should know better still need training wheels, actual newbies might need the protection as well.

audiogame-manager.sh

@@ -597,8 +597,10 @@ trap "exit 0" SIGINT
 # This must happen before we modify DISPLAY to preserve console detection
 if [[ -z "$DISPLAY" ]]; then
     dialogType="dialog"
+elif command -v yad &> /dev/null; then
+    dialogType="yad"
 else
-    dialogType="yad" 
+    dialogType="dialog"
 fi
 
 # Source dialog interface early for progress display