feat(web, server): Implement justified layout for AssetGrid (#2666)

* Implement justified layout for timeline

* Add withoutThumbs field to GetTimelineLayotDto

* Back to rough estimation of initial buckets height

* Remove getTimelineLayout endpoint

* Estimate rough viewport height better

* Fix shift/jump issues while scrolling up

---------

Co-authored-by: Alex Tran <alex.tran1502@gmail.com>

web/src/lib/models/asset-grid-state.ts

@@ -1,5 +1,12 @@
 import type { AssetResponseDto } from '@api';
 
+export enum BucketPosition {
+	Above = 'above',
+	Below = 'below',
+	Visible = 'visible',
+	Unknown = 'unknown'
+}
+
 export class AssetBucket {
 	/**
 	 * The DOM height of the bucket in pixel
@@ -9,6 +16,7 @@ export class AssetBucket {
 	bucketDate!: string;
 	assets!: AssetResponseDto[];
 	cancelToken!: AbortController;
+	position!: BucketPosition;
 }
 
 export class AssetGridState {