OIDC: update to oidc-client-ts functions from js-sdk (#11193)

* test util for oidcclientconfigs

* rename type and lint

* correct oidc test util

* store issuer and clientId pre auth navigation

* update for js-sdk userstate, tidy

src/utils/ValidatedServerConfig.ts

@@ -14,6 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
+import { OidcClientConfig } from "matrix-js-sdk/src/autodiscovery";
 import { IDelegatedAuthConfig } from "matrix-js-sdk/src/client";
 import { ValidatedIssuerConfig } from "matrix-js-sdk/src/oidc/validate";
 
@@ -38,5 +39,5 @@ export interface ValidatedServerConfig {
      * From homeserver .well-known m.authentication, and issuer's .well-known/openid-configuration
      * Used for OIDC native flow authentication
      */
-    delegatedAuthentication?: ValidatedDelegatedAuthConfig;
+    delegatedAuthentication?: OidcClientConfig;
 }