message: packages/core: use app title as SignInPage header
diff: @@ -21,7 +21,12 @@ import { Content } from '../Content/Content';
  import { ContentHeader } from '../ContentHeader/ContentHeader';
  import { Grid, Typography, Button } from '@material-ui/core';
  import { InfoCard } from '../InfoCard/InfoCard';
  -import { SignInPageProps, SignInResult } from '@backstage/core-api';
  +import {
  + SignInPageProps,
  + SignInResult,
  + useApi,
  + configApiRef,
  +} from '@backstage/core-api';
  const PROVIDER_STORAGE_KEY = '@backstage/core:SignInPage:provider';
  @@ -69,6 +74,8 @@ export type Props = SignInPageProps & {
  };
  export const SignInPage: FC<Props> = ({ onResult, providers }) => {
  + const configApi = useApi(configApiRef);
  +
  // We can't use storageApi here, as it might have a dependency on the IdentityApi
  const selectedProvider = localStorage.getItem(PROVIDER_STORAGE_KEY);
  @@ -88,7 +95,7 @@ export const SignInPage: FC<Props> = ({ onResult, providers }) => {
  return (
  <Page>
  - <Header title="Login" />
  + <Header title={configApi.getString('app.title') ?? 'Backstage'} />
  <Content>
  <ContentHeader title="Select a sign-in method" />
  <Grid container>
  