Shortcuts cannot be put on other layers

[RebeccaStevens]

UnoCSS version

0.58.5

Describe the bug

Shortcuts cannot be put on a different layer via variants like uno-layer.
They will always be put on the shortcuts layer.

Reproduction

https://unocss.dev/play/?html=DwEwlgbgBAFgtAMwK4BsVQC4FMAeG4DGWAdtgE5QIq5QDOW1B%2BxA9sVlAIZoBcGZnYrTAYwbOABYADFIB8AKChRQkKAFtOCpUpXQkrOCk4BPLGUIs1ABzYkMtHmALiULAOYs4bkTCQAjWWAAenAILWUQyAVg0NkgA&config=JYWwDg9gTgLgBAbwFBzgEwKYDNgDsMDCEuOA5gDQpxhQYDOGMAgjDFMAEYCuMwWAnpVQ16jAJIBjYnSHVaDGAFVcESgF84WKBBBwA5FxUS6dPUiQYAHpFjpsAQy4AbeJhz4iJYKQAUyVBi4AG4AshCYAFz6mEF6slDO9FEA2lSoyXoSXHQwOgC0CU4YcYhwUk7QUXq0aHpwagC6VA2ydAAW0DBZMHQpaaWZ2bkgee2d3XpVMFYweU6kcNOWs9D2uKQYcB1BGFARS7PT9k51arLpAPQAesBSuHk%2BAHQAVACUACQX5HA%2Byd-ADVecAAvAA%2BOAAA2AeQk9igHGIEXeCGAaghTVQLSoIgUvTgqVQwnkjGUEB8r3OclEzFY7G4vAE5MpOPEdzofn6qDosKKUQAjI8AEyU1ASNC4KptVhgXoXC70ECPdoXMyE%2BoU5pINSvJBAA&css=PQKgBA6gTglgLgUzAYwK4Gc4HsC2YDCAyoWABYJQIA0YAhgHYAmYcUD6AZllDhWOqgAOg7nAB0YAGLcwCAB60cggDYIAXGBDAAUKDBi0mXGADe2sGC704AWgDuCGAHNScDQFYADJ4Dc5sAACtMLKAJ5gggCMLPK2ABR2pPBIcsoAlH4WAEa0yADWTlBYqEw2yFjK3Bpw5LxxAOTllVDoYpSMYgAs3vUZ2gC%2BmsBAA&options=N4XyA

System Info

No response

Validations

• Read the Contributing Guidelines.
• Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
• Check that this is a concrete bug. For Q&A open a GitHub Discussion or join our Discord Chat Server.
• The provided reproduction is a minimal reproducible example of the bug.