### 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
if (!tile_data_editors.has("modulate")) {
		TileDataDefaultEditor *tile_data_modulate_editor = memnew(TileDataDefaultEditor());
		tile_data_modulate_editor->hide();
		tile_data_modulate_editor->setup_property_editor(Variant::COLOR, "modulate", "", Color(1.0, 1.0, 1.0, 1.0));
		tile_data_modulate_editor->connect("needs_redraw", callable_mp((CanvasItem *)tile_atlas_control_unscaled, &Control::queue_redraw));
		tile_data_modulate_editor->connect("needs_redraw", callable_mp((CanvasItem *)alternative_tiles_control_unscaled, &Control::queue_redraw));
		tile_data_editors["modulate"] = tile_data_modulate_editor;
	}
	ADD_TILE_DATA_EDITOR(group, TTR("Z Index"), "z_index");
	if (!tile_data_editors.has("z_index")) {
		TileDataDefaultEditor *tile_data_z_index_editor = memnew(TileDataDefaultEditor());
		tile_data_z_index_editor->hide();
		tile_data_z_index_editor->setup_property_editor(Variant::INT, "z_index");
		tile_data_z_index_editor->connect("needs_redraw", callable_mp((CanvasItem *)tile_atlas_control_unscaled, &Control::queue_redraw));
		tile_data_z_index_editor->connect("needs_redraw", callable_mp((CanvasItem *)alternative_tiles_control_unscaled, &Control::queue_redraw));
		tile_data_editors["z_index"] = tile_data_z_index_editor;
	}
	ADD_TILE_DATA_EDITOR(group, TTR("Y Sort Origin"), "y_sort_origin");
	if (!tile_data_editors.has("y_sort_origin")) {
		TileDataYSortEditor *tile_data_y_sort_editor = memnew(TileDataYSortEditor);
		tile_data_y_sort_editor->hide();
		tile_data_y_sort_editor->setup_property_editor(Variant::INT, "y_sort_origin");
		tile_data_y_sort_editor->connect("needs_redraw", callable_mp((CanvasItem *)tile_atlas_control_unscaled, &Control::queue_redraw));
		tile_data_y_sort_editor->connect("needs_redraw", callable_mp((CanvasItem *)alternative_tiles_control_unscaled, &Control::queue_redraw));
		tile_data_editors["y_sort_origin"] = tile_data_y_sort_editor;
	}
	for (int i = 0; i < tile_set->get_occlusion_layers_count(); i++) {
		ADD_TILE_DATA_EDITOR(group, vformat(TTR("Occlusion Layer %d"), i), vformat("occlusion_layer_%d", i));
		if (!tile_data_editors.has(vformat("occlusion_layer_%d", i))) {
			TileDataOcclusionShapeEditor *tile_data_occlusion_shape_editor = memnew(TileDataOcclusionShapeEditor());