remove unnecessary imports

frontend/src/app/features/work-packages/components/wp-table/timeline/cells/timeline-cell-renderer.ts

@@ -21,7 +21,6 @@ import {
   timelineMarkerSelectionStartClass,
 } from '../wp-timeline';
 import Moment = moment.Moment;
-import { DayResourceService } from 'core-app/core/state/days/day.service';
 
 export interface CellDateMovement {
   // Target values to move work package to
@@ -52,8 +51,6 @@ export class TimelineCellRenderer {
 
   @InjectField() weekdayService:WeekdayService;
 
-  @InjectField() dayService:DayResourceService;
-
   @InjectField() schemaCache:SchemaCacheService;
 
   @InjectField() I18n!:I18nService;

frontend/src/app/features/work-packages/components/wp-table/timeline/container/wp-timeline-container.directive.ts

@@ -147,6 +147,13 @@ export class WorkPackageTimelineTableController extends UntilDestroyedMixin impl
   ngAfterViewInit() {
     this.$element = jQuery(this.elementRef.nativeElement);
 
+    const scrollBar = document.querySelector('.work-packages-tabletimeline--timeline-side');
+    if (scrollBar) {
+      scrollBar.addEventListener("scroll", async () => {
+        await this.requireNonWorkingDays(this.getFirstDayInViewport().format('YYYY-MM-DD'), this.getLastDayInViewport().format('YYYY-MM-DD'));
+      })
+    }
+
     this.text = {
       selectionMode: this.I18n.t('js.timelines.selection_mode.notification'),
     };
@@ -236,7 +243,7 @@ export class WorkPackageTimelineTableController extends UntilDestroyedMixin impl
 
       this.calculateViewParams(this._viewParameters);
 
-      await this.requireNonWorkingDays(this._viewParameters.visibleViewportAtCalculationTime[0].format('YYYY-MM-DD'), this._viewParameters.visibleViewportAtCalculationTime[1].format('YYYY-MM-DD'));
+      await this.requireNonWorkingDays(this.getFirstDayInViewport().format('YYYY-MM-DD'), this.getLastDayInViewport().format('YYYY-MM-DD'));
 
       // Update all cells
       this.cellsRenderer.refreshAllCells();

frontend/src/app/features/work-packages/components/wp-table/timeline/grid/wp-timeline-grid.directive.ts

@@ -42,7 +42,6 @@ import {
 } from '../wp-timeline';
 import { WeekdayService } from 'core-app/core/days/weekday.service';
 import Moment = moment.Moment;
-import { DayResourceService } from 'core-app/core/state/days/day.service';
 
 @Component({
   selector: 'wp-timeline-grid',
@@ -57,7 +56,6 @@ export class WorkPackageTableTimelineGrid implements AfterViewInit {
     private elementRef:ElementRef,
     public wpTimeline:WorkPackageTimelineTableController,
     private weekdaysService:WeekdayService,
-    private daysService:DayResourceService,
   ) {}
 
   ngAfterViewInit():void {