Fix TS (gray) blocks, making them multi-lined (#3001)
Fix TS (gray) blocks, making them multi-lined (#3001)


Microsoft/pxt,switchinnovations/pxt,switchinnovations/pxt,switchinnovations/pxt,playi/pxt,Microsoft/pxt,Microsoft/pxt,switch-education/pxt,playi/pxt,switch-education/pxt,switchinnovations/pxt,playi/pxt,switch-education/pxt,Microsoft/pxt,playi/pxt,switch-education/pxt,Microsoft/pxt,switch-education/pxt