### Godot version

v4.2.dev3.official [013e8e3af]

### System information

Windows 11, Core i5-12400F, RX 6600

### Issue description

TileSet->Setup->Separation maybe should have "px" like rest?
![Screenshot 2023-08-21 162202](https://github.com/godotengine/godot/assets/962340/3c6b9a97-7520-4610-8153-7882cc9c303f)
I know this is pixels from testing it.

TileSet->Select is this Animation Separation "px" too? idk
![Screenshot 2023-08-21 162131](https://github.com/godotengine/godot/assets/962340/fcb580e3-9ff7-41d8-92d3-e585841d3803)
I tried setting up animation separation and got a not enough room error, so maybe not "px". idk


Thanks.


### Steps to reproduce

- open TileSet->Setup->Separation, note some have "px" and one doesn't
- open TileSet->Select, is this separation "px" too?


### Minimal reproduction project

n/a
}
		} break;
		case DRAG_TYPE_RESIZE_TOP_LEFT:
		case DRAG_TYPE_RESIZE_TOP:
		case DRAG_TYPE_RESIZE_TOP_RIGHT:
		case DRAG_TYPE_RESIZE_RIGHT:
		case DRAG_TYPE_RESIZE_BOTTOM_RIGHT:
		case DRAG_TYPE_RESIZE_BOTTOM:
		case DRAG_TYPE_RESIZE_BOTTOM_LEFT:
		case DRAG_TYPE_RESIZE_LEFT:
			if (drag_start_tile_shape != Rect2i(drag_current_tile, tile_set_atlas_source->get_tile_size_in_atlas(drag_current_tile))) {
				undo_redo->create_action(TTR("Resize a tile"));
				undo_redo->add_do_method(tile_set_atlas_source, "move_tile_in_atlas", drag_start_tile_shape.position, drag_current_tile, tile_set_atlas_source->get_tile_size_in_atlas(drag_current_tile));
				undo_redo->add_do_method(this, "_set_selection_from_array", _get_selection_as_array());
				undo_redo->add_undo_method(tile_set_atlas_source, "move_tile_in_atlas", drag_current_tile, drag_start_tile_shape.position, drag_start_tile_shape.size);
				Array array;
				array.push_back(drag_start_tile_shape.position);
				array.push_back(0);
				undo_redo->add_undo_method(this, "_set_selection_from_array", array);
				undo_redo->commit_action(false);
			}
			break;
		default:
			break;
	}
	drag_modified_tiles.clear();
	drag_type = DRAG_TYPE_NONE;
	
}
HashMap<Vector2i, List<const PropertyInfo *>> TileSetAtlasSourceEditor::_group_properties_per_tiles(const List<PropertyInfo> &r_list, const TileSetAtlasSource *p_atlas) {