Capture and store values from CIS established event

[Thalley]

Is your enhancement proposal related to a problem? Please describe.
When the CIS established event is received from the controller, we don't use any of the value. For the Master that's okay as it set the values in the first place, but the slave need to store this in order to be able to send data (as otherwise things like the SDU size will be 0).

Describe the solution you'd like
The values should be stored in the ISO channel (perhaps only the necessary ones and perhaps only for the slave).

Describe alternatives you've considered
None

Additional context
None

See also #31179

[Thalley]

The parameters set in the struct bt_iso_chan_io_qos of the peripheral should probably be validated based on the parameters of this event, and trigger an automated rejection of the CIS if they are not satisfied.