### 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
TileMapCell cell;
				cell.source_id = tile_set_atlas_source_id;
				cell.set_atlas_coords(E.tile);
				cell.alternative_tile = 0;
				current_tile_data_editor->draw_over_tile(tile_atlas_control_unscaled, xform, cell, true);
			}
		}
		
		if (tools_button_group->get_pressed_button() == tool_paint_button) {
			Transform2D xform = tile_atlas_control->get_parent_control()->get_transform();
			current_tile_data_editor->forward_draw_over_atlas(tile_atlas_view, tile_set_atlas_source, tile_atlas_control_unscaled, xform);
		}
	}
}
void TileSetAtlasSourceEditor::_tile_alternatives_control_gui_input(const Ref<InputEvent> &p_event) {
	
	hovered_alternative_tile_coords = tile_atlas_view->get_alternative_tile_at_pos(alternative_tiles_control->get_local_mouse_position());
	
	if (tools_button_group->get_pressed_button() == tool_paint_button) {
		if (current_tile_data_editor) {
			current_tile_data_editor->forward_painting_alternatives_gui_input(tile_atlas_view, tile_set_atlas_source, p_event);
		}
		tile_atlas_control->queue_redraw();
		tile_atlas_control_unscaled->queue_redraw();
		alternative_tiles_control->queue_redraw();
		alternative_tiles_control_unscaled->queue_redraw();
		tile_atlas_view->queue_redraw();
		return;
	}
	Ref<InputEventMouseMotion> mm = p_event;