[Layout View] Fix PTSDK-469
[Layout View] Fix PTSDK-469

Handle "Block" nodes as a special case of delegation,
forcing "clicks" in them to target their parent "Grid"
container.

Signed-off-by: Shane Bryan <bb9fedbb0bee6c6c53f32da7fce5f936ef59aaaa@intel.com>

DonnaWuDongxia/rib,suoko/rib,smallertomato/rib,jmptrader/rib,xuqingkuang/rib,maxyu/rib,Galen-Titanium/rib,jmptrader/rib,smallertomato/rib,amithnair/rib,Galen-Titanium/rib,modulexcite/rib,vevedh/rib,taubmann/rib,xuqingkuang/rib,crazyart/rib,amithnair/rib,eaglebk/rib,carlst/rib,modulexcite/rib,amithnair/rib,pplaquette/rib,byjg/rib,2braincells2go/rib,Safiya85/rib,cubemoon/rib,xuzhang/rib,vevedh/rib,01org/rib,eaglebk/rib,b-cuts/rib,wuyongfeng/rib,KevinChanH/rib,zhizhangchen/rib,VIP000/rib,suoko/rib,DonnaWuDongxia/rib,taubmann/rib,xuzhang/rib,2braincells2go/rib,VIP000/rib,jsphkhan/rib,ndkeren/rib,01org/rib,ndkeren/rib,b-cuts/rib,suoko/rib,KevinChanH/rib,maxyu/rib,Galen-Titanium/rib,wuyongfeng/rib,crazyart/rib,b-cuts/rib,carlst/rib,KevinChanH/rib,Safiya85/rib,jsphkhan/rib,byjg/rib,crazyart/rib,pplaquette/rib,2braincells2go/rib,cubemoon/rib,jmptrader/rib,modulexcite/rib,01org/rib