Incorrect consumer for genesis collators/validators

[aurexav]

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Description of bug

https://github.com/paritytech/substrate/blob/cba59778aa5207b11f7513e5cbb127ea47dd8924/frame/session/src/lib.rs#L450

https://github.com/paritytech/substrate/blob/cba59778aa5207b11f7513e5cbb127ea47dd8924/frame/session/src/lib.rs#L807-L808

In the genesis config. You set the session keys directly without modifying their consumer.

If the genesis collators/validators purge their keys. Their account references will be decreased incorrectly. Maybe that consumer is using in staking right now.

Steps to reproduce

No response