Lint error fix.

Author: mspalti

src/app/item-page/mirador-viewer/mirador-viewer.component.ts

@@ -1,6 +1,4 @@
-import {
-  isPlatformBrowser,
-} from '@angular/common';
+import { isPlatformBrowser } from '@angular/common';
 import {
   ChangeDetectionStrategy,
   ChangeDetectorRef,