`scene_viewer` and `audio_control` examples panic

[rparrett]

Bevy version

main, bisected to #16638

What you did

cargo run --example scene_viewer
cargo run --example audio_control

What went wrong

thread 'main' panicked at /Users/me/src/bevy/crates/bevy_ecs/src/system/function_system.rs:216:28:
scene_viewer::camera_controller::run_camera_controller could not access system parameter Single<(&mut Transform, &mut CameraController), With<Camera>>

thread 'main' panicked at /Users/me/src/bevy/crates/bevy_ecs/src/system/function_system.rs:216:28:
audio_control::update_speed could not access system parameter Single<AudioSink, With<MyMusic>>

Additional information

Related to #16959