Fix disappearing dropdown (#902)
Fix disappearing dropdown (#902)


gengshenghong/scratch-blocks,griffpatch/scratch-blocks,gengshenghong/scratch-blocks,sclements/scratch-blocks,griffpatch/scratch-blocks,LLK/scratch-blocks,griffpatch/scratch-blocks,gengshenghong/scratch-blocks,sclements/scratch-blocks,sclements/scratch-blocks,LLK/scratch-blocks,griffpatch/scratch-blocks,LLK/scratch-blocks,LLK/scratch-blocks,sclements/scratch-blocks,LLK/scratch-blocks,gengshenghong/scratch-blocks,griffpatch/scratch-blocks,gengshenghong/scratch-blocks,sclements/scratch-blocks