Make flyout get variables from target workspace's variableMap.
Make flyout get variables from target workspace's variableMap.

picklesrus/blockly,gengshenghong/scratch-blocks,trinketapp/blockly,joshlory/blockly,gengshenghong/scratch-blocks,nickmain/blockly,rachel-fenichel/blockly,google/blockly,LLK/scratch-blocks,groklearning/blockly,mark-friedman/blockly,google/blockly,trodi/blockly,mark-friedman/blockly,griffpatch/scratch-blocks,twodee/blockly,jstnhuang/blockly,jstnhuang/blockly,twodee/blockly,rachel-fenichel/blockly,nickmain/blockly,mark-friedman/blockly,google/blockly,groklearning/blockly,griffpatch/scratch-blocks,picklesrus/blockly,trodi/blockly,twodee/blockly,LLK/scratch-blocks,google/blockly,LLK/scratch-blocks,LLK/scratch-blocks,joshlory/blockly,griffpatch/scratch-blocks,jstnhuang/blockly,rachel-fenichel/blockly,trodi/blockly,picklesrus/blockly,trinketapp/blockly,gengshenghong/scratch-blocks,twodee/blockly,jstnhuang/blockly,joshlory/blockly,nickmain/blockly,trinketapp/blockly,groklearning/blockly,rachel-fenichel/blockly,nickmain/blockly,griffpatch/scratch-blocks,trodi/blockly,trinketapp/blockly,google/blockly,griffpatch/scratch-blocks,twodee/blockly,mark-friedman/blockly,google/blockly,google/blockly,twodee/blockly,nickmain/blockly,mark-friedman/blockly,LLK/scratch-blocks,mark-friedman/blockly,rachel-fenichel/blockly,nickmain/blockly,groklearning/blockly,rachel-fenichel/blockly,gengshenghong/scratch-blocks,gengshenghong/scratch-blocks,rachel-fenichel/blockly