Fixed a crash when switching between layouts and/or different data sources.
Fixed a crash when switching between layouts and/or different data sources.

Amnysia/PSTCollectionView,Kevin775263419/PSTCollectionView,StephaneDelcroix/PSTCollectionView,thevuuranusls/PSTCollectionView,jianwoo/PSTCollectionView,ba01ei/PSTImprovedCollectionView,niuxinghua/PSTCollectionView,zjh171/PSTCollectionView,StephaneDelcroix/PSTCollectionView,steipete/PSTCollectionView,godLoveLucifer/PSTCollectionView,CorzFree/PSTCollectionView,Anish-kumar-dev/PSTCollectionView,zace-yuan/PSTCollectionView