add entity to error message

[hymm]

Objective

• There was a new warning added about having an unstyled child in the ui hierarchy. Debugging the new error is pretty hard without any info about which entity is.

Solution

• Add the entity id to the warning.

// Before
2024-07-05T19:40:59.904014Z  WARN bevy_ui::layout::ui_surface: Unstyled child in a UI entity hierarchy. You are using an entity without UI components as a child of an entity with UI components, results may be unexpected.

//After
2024-07-05T19:40:59.904014Z  WARN bevy_ui::layout::ui_surface: Unstyled child `3v1` in a UI entity hierarchy. You are using an entity without UI components as a child of an entity with UI components, results may be unexpected.

Changelog

• add entity id to ui surface warning