### 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
emit_changed(get_edited_property(), occluder);
		} else if (base_type == "NavigationPolygon") {
			Ref<NavigationPolygon> navigation_polygon;
			if (generic_tile_polygon_editor->get_polygon_count() >= 1) {
				navigation_polygon.instantiate();
				for (int i = 0; i < generic_tile_polygon_editor->get_polygon_count(); i++) {
					Vector<Vector2> polygon = generic_tile_polygon_editor->get_polygon(i);
					navigation_polygon->add_outline(polygon);
				}
				navigation_polygon->make_polygons_from_outlines();
			}
			emit_changed(get_edited_property(), navigation_polygon);
		}
	} else {
		if (base_type.is_empty()) {
			
			Vector<String> changed_properties;
			Array values;
			int count = generic_tile_polygon_editor->get_polygon_count();
			changed_properties.push_back(count_property);
			values.push_back(count);
			for (int i = 0; i < count; i++) {
				changed_properties.push_back(vformat(element_pattern, i));
				values.push_back(generic_tile_polygon_editor->get_polygon(i));
			}
			emit_signal(SNAME("multiple_properties_changed"), changed_properties, values, false);
		}
	}
}
void EditorPropertyTilePolygon::update_property() {