fix: force browser to recompute the grid

Author: Arukuen

src/block/horizontal-scroller/frontend-horizontal-scroller.js

@@ -94,6 +94,14 @@ class StackableHorizontalScroller {
 			el.addEventListener( 'mousedown', mouseDownHandler )
 
 			el._StackableHasInitHorizontalScroller = true
+
+			// Fixes grid rendering issues by toggling the gridAutoFlow property
+			requestAnimationFrame( () => {
+				el.style.gridAutoFlow = 'row'
+				requestAnimationFrame( () => {
+					el.style.gridAutoFlow = 'column'
+				} )
+			} )
 		} )
 	}
 }