Locallazy: Convert even more strings (#11679)

Co-authored-by: Michael Telatynski <7t3chguy@gmail.com>

src/components/views/auth/LoginWithQR.tsx

@@ -126,7 +126,7 @@ export default class LoginWithQR extends React.Component<IProps, IState> {
 
             const { login_token: loginToken } = await wrapRequestWithDialog(this.props.client.requestLoginToken, {
                 matrixClient: this.props.client,
-                title: _t("Sign in new device"),
+                title: _t("auth|qr_code_login|sign_in_new_device"),
             })();
 
             this.setState({ phase: Phase.WaitingForDevice });