fix: Merge pull request #250 from clubxj/master

Update gear and fix mushtree interface bug

Author: TwistedSlayerHelm

optional/interfaces/mainscreen/mushtree.simba

@@ -75,7 +75,7 @@ var
 begin
   buttons := Self.GetButtons();
 
-  if buttons <> [] then
+  if Length(buttons) >= Ord(location) then
     Result := buttons[location];
 end;