Fix #116415: Show Empty text for Current Asset Library

Show "No items" if item count is less than one, to include situations
where it is -1

Pull Request: https://projects.blender.org/blender/blender/pulls/116446

source/blender/editors/space_file/file_draw.cc

@@ -1166,7 +1166,7 @@ void file_draw_list(const bContext *C, ARegion *region)
     }
   }
 
-  if (numfiles == 0) {
+  if (numfiles < 1) {
     const rcti tile_draw_rect = tile_draw_rect_get(
         v2d, layout, eFileDisplayType(params->display), 0, 0);
     const uiStyle *style = UI_style_get();