message: fix(techdocs): use sidebar config
diff: @@ -38,7 +38,10 @@ import { CompoundEntityRef } from '@backstage/catalog-model';
  import { useApi, configApiRef } from '@backstage/core-plugin-api';
  import { scmIntegrationsApiRef } from '@backstage/integration-react';
  import { BackstageTheme } from '@backstage/theme';
  -import { SidebarPinStateContext } from '@backstage/core-components';
  +import {
  + sidebarConfig,
  + SidebarPinStateContext,
  +} from '@backstage/core-components';
  import { techdocsStorageApiRef } from '../../api';
  @@ -559,7 +562,9 @@ export const useTechDocsReaderDom = (
  width: 16rem !important;
  z-index: 200;
  left: ${
  - isPinned ? 'calc(-16rem + 242px)' : 'calc(-16rem + 72px)'
  + isPinned
  + ? `calc(-16rem + ${sidebarConfig.drawerWidthOpen}px)`
  + : `calc(-16rem + ${sidebarConfig.drawerWidthClosed}px)`
  } !important;
  }
  .md-sidebar--secondary:not([hidden]) {
  