Avoid re-loading UIKit for simulator drag.
Avoid re-loading UIKit for simulator drag.

PSTCollectionView depends on UIKit, so UIKit must be loaded into memory. Rather than finding the path and calling dlopen(), just search the existing symbols.
zjh171/PSTCollectionView,steipete/PSTCollectionView,Anish-kumar-dev/PSTCollectionView,zace-yuan/PSTCollectionView,jianwoo/PSTCollectionView,godLoveLucifer/PSTCollectionView,CorzFree/PSTCollectionView,Kevin775263419/PSTCollectionView,niuxinghua/PSTCollectionView,ba01ei/PSTImprovedCollectionView