don't refuse to replace a tile with a selection if the top left of th…

…e selection is the same as the replaced tile

src/editor/overlay_widget.cpp

@@ -564,7 +564,7 @@ EditorOverlayWidget::replace()
   auto tilemap = m_editor.get_selected_tilemap();
   Uint32 replace_tile = tilemap->get_tile_id(static_cast<int>(m_hovered_tile.x), static_cast<int>(m_hovered_tile.y));
   //don't do anything if the old and new tiles are the same tile
-  if (replace_tile == m_editor.get_tiles()->pos(0, 0)) return;
+  if (m_editor.get_tiles()->m_width == 1 && m_editor.get_tiles()->m_height == 1 && replace_tile == m_editor.get_tiles()->pos(0, 0)) return;
 
   tilemap->save_state();
   for (int x = 0; x < tilemap->get_width(); ++x)