Fix web lint issues

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

@@ -16,17 +16,17 @@ export class AssetGridState {
 	 * The total height of the timeline in pixel
 	 * This value is first estimated by the number of asset and later is corrected as the user scroll
 	 */
-	timelineHeight: number = 0;
+	timelineHeight = 0;
 
 	/**
 	 * The fixed viewport height in pixel
 	 */
-	viewportHeight: number = 0;
+	viewportHeight = 0;
 
 	/**
 	 * The fixed viewport width in pixel
 	 */
-	viewportWidth: number = 0;
+	viewportWidth = 0;
 
 	/**
 	 * List of bucket information