Use new accessors for VerificationRequest (#11092)

* Switch verification request accessors to go via CryptoApi

part of https://github.com/vector-im/crypto-internal/issues/97

* Update references to `requestVerification`

https://github.com/vector-im/crypto-internal/issues/98

src/components/structures/auth/SetupEncryptionBody.tsx

@@ -89,7 +89,7 @@ export default class SetupEncryptionBody extends React.Component<IProps, IState>
     private onVerifyClick = (): void => {
         const cli = MatrixClientPeg.safeGet();
         const userId = cli.getSafeUserId();
-        const requestPromise = cli.requestVerification(userId);
+        const requestPromise = cli.getCrypto()!.requestOwnUserVerification();
 
         // We need to call onFinished now to close this dialog, and
         // again later to signal that the verification is complete.

src/components/views/settings/devices/useOwnDevices.ts

@@ -177,7 +177,7 @@ export const useOwnDevices = (): DevicesState => {
     const requestDeviceVerification =
         isCurrentDeviceVerified && userId
             ? async (deviceId: ExtendedDevice["device_id"]): Promise<VerificationRequest> => {
-                  return await matrixClient.requestVerification(userId, [deviceId]);
+                  return await matrixClient.getCrypto()!.requestDeviceVerification(userId, deviceId);
               }
             : undefined;