Feasibility of determination of client identifier schemes supported by the wallet

[yaromin]

Is the satisfaction of the requirement expressed in the last sentence feasible? Especially in cases when the flow starts with a QR code scan?

https://github.com/openid/OpenID4VP/blob/9a8ac76f93d0240767d92152085ae08c420d71cc/openid-4-verifiable-presentations-1_0.md?plain=1#L261