Changed the game mode check in gl_highlighting

* now opening other interfaces (inventory, options, etc.) will also
turn off highlight.

artifacts/mods/gl_highlighting.ssl

@@ -104,7 +104,7 @@ procedure KeyPressHandler begin
             scanCode := get_sfall_arg,
             scanner, charges;
 
-   if scanCode == highlightKey and not(get_game_mode bwand (INTFACELOOT bwor BARTER)) then begin
+   if scanCode == highlightKey and not(get_game_mode bwand bwnot(COMBAT bwor PCOMBAT)) then begin
       if pressed then begin
          set_global_script_repeat(REPEAT_FRAMES);
          if motionScanner then begin
@@ -134,14 +134,16 @@ procedure KeyPressHandler begin
    end
 end
 
+// visual glitch fix, turn off highlight when entering combat
 procedure CombatTurnHandler begin
    if isHighlight then begin
       call ToggleHighlight(false);
    end
 end
 
+// visual glitch fix, turn off highlight when opening other interfaces
 procedure GameModeChangeHandler begin
-   if isHighlight and (get_game_mode bwand (INTFACELOOT bwor BARTER)) then begin
+   if isHighlight and (get_game_mode bwand bwnot(COMBAT bwor PCOMBAT)) then begin
       call ToggleHighlight(false);
    end
 end
@@ -175,7 +177,7 @@ procedure start begin
       register_hook_proc(HOOK_INVENTORYMOVE, InventoryMoveHandler);
       set_global_script_type(1);
    end else begin
-      if isHighlight and not(get_game_mode bwand (INTFACELOOT bwor BARTER)) then begin
+      if isHighlight and not(get_game_mode bwand bwnot(COMBAT bwor PCOMBAT)) then begin
          call ToggleHighlight(true);
       end
    end