Fix selection bug on bumps caused by mutator actions.
Fix selection bug on bumps caused by mutator actions.

groklearning/blockly,joshlory/blockly,jano42/blockly,jstnhuang/blockly,trodi/blockly,twodee/blockly,dhalupa/blockly,google/blockly,nickmain/blockly,lzairdking/blockly,nickmain/blockly,nickmain/blockly,rachel-fenichel/blockly,google/blockly,google/blockly,sclements/scratch-blocks,dhalupa/blockly,sclements/scratch-blocks,LLK/scratch-blocks,picklesrus/blockly,trodi/blockly,LLK/scratch-blocks,carlosperate/blockly,google/blockly,jano42/blockly,mark-friedman/blockly,aravart/speech-blocks,twodee/blockly,twodee/blockly,nickmain/blockly,LLK/scratch-blocks,aravart/speech-blocks,jstnhuang/blockly,LLK/scratch-blocks,twodee/blockly,jstnhuang/blockly,rachel-fenichel/blockly,gengshenghong/scratch-blocks,markocelan/blockly-minecraft,trinketapp/blockly,lzairdking/blockly,daarond/blockly,InspectorWidget/blockly,twodee/blockly,groklearning/blockly,jstnhuang/blockly,dhalupa/blockly,daarond/blockly,carlosperate/blockly,lzairdking/blockly,griffpatch/scratch-blocks,trinketapp/blockly,jano42/blockly,twodee/blockly,sclements/scratch-blocks,griffpatch/scratch-blocks,gengshenghong/scratch-blocks,hkoi/blockly,lzairdking/blockly,markocelan/blockly-minecraft,griffpatch/scratch-blocks,rachel-fenichel/blockly,rachel-fenichel/blockly,gengshenghong/scratch-blocks,google/blockly,picklesrus/blockly,hkoi/blockly,rachel-fenichel/blockly,groklearning/blockly,InspectorWidget/blockly,rachel-fenichel/blockly,google/blockly,gengshenghong/scratch-blocks,InspectorWidget/blockly,mark-friedman/blockly,google/blockly-devtools,carlosperate/blockly,rachel-fenichel/blockly,trodi/blockly,mark-friedman/blockly,daarond/blockly,markocelan/blockly-minecraft,carlosperate/blockly,trinketapp/blockly,gengshenghong/scratch-blocks,griffpatch/scratch-blocks,joshlory/blockly,groklearning/blockly,mark-friedman/blockly,griffpatch/scratch-blocks,nickmain/blockly,mark-friedman/blockly,mark-friedman/blockly,LLK/scratch-blocks,google/blockly-devtools,joshlory/blockly,jano42/blockly,picklesrus/blockly,google/blockly,markocelan/blockly-minecraft,sclements/scratch-blocks,nickmain/blockly,trodi/blockly,hkoi/blockly,trinketapp/blockly,sclements/scratch-blocks