Merge pull request #6287 from IgniteUI/sstoychev/wrong-imports

fix(*): resolving issue with imports #6285

Author: zdrawku

projects/igniteui-angular/src/lib/grids/grid/grid.details.pipe.ts

@@ -1,7 +1,7 @@
 import { PipeTransform, Pipe } from '@angular/core';
-import { IGroupByResult } from '../../data-operations/grouping-result.interface';
-import { GridBaseAPIService, IgxGridBaseDirective } from '../tree-grid';
 import { GridType } from '../common/grid.interface';
+import { IgxGridBaseDirective } from '../grid-base.directive';
+import { GridBaseAPIService } from '../api.service';
 import { IgxGridAPIService } from './grid-api.service';
 
 /** @hidden */