Function on_change_context

pub fn on_change_context(
    q_changed_contexts: Query<'_, '_, (Entity, Ref<'_, RapierContextEntityLink>), Changed<RapierContextEntityLink>>,
    q_children: Query<'_, '_, &Children>,
    q_physics_context: Query<'_, '_, &RapierContextEntityLink>,
    q_context: Query<'_, '_, (&RapierContextColliders, &RapierContextJoints, &RapierRigidBodySet)>,
    commands: Commands<'_, '_>,
)

Reacts to modifications to RapierContextEntityLink to move an entity’s physics data from a context to another.

Also recursively bubbles down context changes to children & flags them to apply any needed physics changes