chore(*): add spaces in import

Author: Lipata

projects/igniteui-angular/src/lib/core/utils.ts

@@ -2,7 +2,7 @@ import { AnimationReferenceMetadata } from '@angular/animations';
 import { isPlatformBrowser } from '@angular/common';
 import { Inject, Injectable, PLATFORM_ID } from '@angular/core';
 import mergeWith from 'lodash.mergewith';
-import {ResizeObserver} from '@juggle/resize-observer';
+import { ResizeObserver } from '@juggle/resize-observer';
 import { Observable } from 'rxjs';
 import {
     blink, fadeIn, fadeOut, flipBottom, flipHorBck, flipHorFwd, flipLeft, flipRight, flipTop,

projects/igniteui-angular/src/lib/directives/for-of/for_of.directive.ts

@@ -34,7 +34,7 @@ import { IgxScrollInertiaModule } from './../scroll-inertia/scroll_inertia.direc
 import { IgxForOfSyncService, IgxForOfScrollSyncService } from './for_of.sync.service';
 import { Subject } from 'rxjs';
 import { takeUntil, filter, throttleTime, first } from 'rxjs/operators';
-import {ResizeObserver} from '@juggle/resize-observer';
+import { ResizeObserver } from '@juggle/resize-observer';
 import { IBaseEventArgs, PlatformUtil } from '../../core/utils';
 import { VirtualHelperBaseDirective } from './base.helper.component';
 

projects/igniteui-angular/src/lib/grids/grid-base.directive.ts

@@ -29,7 +29,7 @@ import {
     LOCALE_ID,
     HostListener
 } from '@angular/core';
-import {ResizeObserver} from '@juggle/resize-observer';
+import { ResizeObserver } from '@juggle/resize-observer';
 import 'igniteui-trial-watermark';
 import { Subject, pipe, fromEvent, noop } from 'rxjs';
 import { takeUntil, first, filter, throttleTime, map, shareReplay } from 'rxjs/operators';