Fix widget resize if it last for too long on Multipage CellLayout

We need to make sure the seam is added when the countX is even
checking for => and if you reszie for a while the occupied grid
starts to have incorrect values.

Fix: 270227019
Test: atest FoldableItemsIntegrity
Test: atest ReorderWidgets
Change-Id: I3faf5d23427dc966c48ce5c613e68e42a101f45b