Fixes TileMap editor copy bug.

(cherry picked from commit 558b08e6d91d49780c1f77812177c3c227f96590)

editor/plugins/tile_map_editor_plugin.cpp

@@ -972,9 +972,9 @@ void TileMapEditor::_update_copydata() {
 				tcd.flip_v = node->is_cell_y_flipped(j, i);
 				tcd.transpose = node->is_cell_transposed(j, i);
 				tcd.autotile_coord = node->get_cell_autotile_coord(j, i);
-			}
 
-			copydata.push_back(tcd);
+				copydata.push_back(tcd);
+			}
 		}
 	}
 }