Cherry-pick monaco resize issue affecting JP langs
Cherry-pick monaco resize issue affecting JP langs

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