message: Don't show the 'verify' button if the user is verified
  Which is more in keeping with the designs (and we can do this now
  that the new user info panel is only enabled with cross signing).
diff: @@ -1286,11 +1286,20 @@ const UserInfo = ({user, groupId, roomId, onClose}) => {
  const devicesSection = isRoomEncrypted ?
  (<DevicesSection loading={devices === undefined} devices={devices} userId={user.userId} />) : null;
  +
  + const userVerified = cli.checkUserTrust(user.userId).isVerified();
  + let verifyButton;
  + if (!userVerified) {
  + verifyButton = <AccessibleButton className="mx_UserInfo_verify" onClick={() => verifyDevice(user.userId, null)}>
  + {_t("Verify")}
  + </AccessibleButton>;
  + }
  +
  const securitySection = (
  <div className="mx_UserInfo_container">
  <h3>{ _t("Security") }</h3>
  <p>{ text }</p>
  - <AccessibleButton className="mx_UserInfo_verify" onClick={() => verifyDevice(user.userId, null)}>{_t("Verify")}</AccessibleButton>
  + {verifyButton}
  { devicesSection }
  </div>
  );
  