chore(combo): fix lint issues

Author: wnvko

src/app/combo/combo.sample.ts

@@ -223,5 +223,6 @@ export class ComboSampleComponent implements OnInit, AfterViewInit {
         const searchTerm = filteringOptions.caseSensitive ? filterValue.trim() : filterValue.toLowerCase().trim();
         return collection.filter(i => filteringOptions.caseSensitive ?
             i[filteringOptions.filteringKey]?.includes(searchTerm) || i[this.igxCombo.groupKey]?.includes(searchTerm) :
-            i[filteringOptions.filteringKey]?.toString().toLowerCase().includes(searchTerm) || i[this.igxCombo.groupKey]?.toString().toLowerCase().includes(searchTerm))    }
+            i[filteringOptions.filteringKey]?.toString().toLowerCase().includes(searchTerm) || i[this.igxCombo.groupKey]?.toString().toLowerCase().includes(searchTerm))
+    }
 }