imporve the Application API to include hybrid flow response type

[asha15]

Purpose

$subject

Related issue: wso2/product-is#20331

Merge after merging the OAuth PR: wso2-extensions/identity-inbound-auth-oauth#2461

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[Thumimku]

LGTM, please check the error codes repitition when doing the rebase with upstream.

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[Thumimku]

LGTM