fix lint errors

src/app/components/group/group.component.ts

@@ -115,7 +115,7 @@ export class GroupComponent implements OnInit {
     this.groupService.group.subscribe(response => {
       if (response) {
         if (response.id) {
-          if(response.id.toString() === this.id){
+          if (response.id.toString() === this.id) {
             this.loading = false;
           }
         }

src/app/models/user.ts

@@ -18,7 +18,7 @@ export class User {
   joinedAt: string;
   friendCount: number;
   groupCount: number;
-  isAdmin: boolean = false;
+  isAdmin = false;
   isGroupAdmin: boolean;
 
   darkmode = false;