refactor: clean code

src/components/schedule/tabs/group/group.component.ts

@@ -73,6 +73,7 @@ export class GroupComponent implements IScheduleTab {
       }))
       .subscribe(data => {
         this.faculties = data;
+
         if (this.selected !== null && this.selected.length >= 1) {
           let selectedFaculty = data.find(x => x.id === this.selected![0].index);