Fix selection border on blocks that have been highlighted.
Fix selection border on blocks that have been highlighted.

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