Fix createTaskProcessorWorker
Fix createTaskProcessorWorker

I introduced a bug earlier in this branch that was preventing errors from propagating.

kiselev-dv/cesium,jason-crow/cesium,CesiumGS/cesium,hodbauer/cesium,soceur/cesium,YonatanKra/cesium,oterral/cesium,NaderCHASER/cesium,ggetz/cesium,omh1280/cesium,kaktus40/cesium,likangning93/cesium,geoscan/cesium,omh1280/cesium,jasonbeverage/cesium,NaderCHASER/cesium,progsung/cesium,YonatanKra/cesium,AnalyticalGraphicsInc/cesium,AnimatedRNG/cesium,oterral/cesium,esraerik/cesium,NaderCHASER/cesium,CesiumGS/cesium,likangning93/cesium,wallw-bits/cesium,wallw-bits/cesium,progsung/cesium,aelatgt/cesium,hodbauer/cesium,YonatanKra/cesium,oterral/cesium,josh-bernstein/cesium,wallw-bits/cesium,jasonbeverage/cesium,kaktus40/cesium,likangning93/cesium,emackey/cesium,denverpierce/cesium,jason-crow/cesium,kiselev-dv/cesium,esraerik/cesium,ggetz/cesium,aelatgt/cesium,aelatgt/cesium,YonatanKra/cesium,wallw-bits/cesium,esraerik/cesium,CesiumGS/cesium,AnalyticalGraphicsInc/cesium,ggetz/cesium,likangning93/cesium,AnimatedRNG/cesium,jason-crow/cesium,ggetz/cesium,aelatgt/cesium,esraerik/cesium,AnimatedRNG/cesium,geoscan/cesium,kiselev-dv/cesium,emackey/cesium,emackey/cesium,AnimatedRNG/cesium,CesiumGS/cesium,likangning93/cesium,CesiumGS/cesium,omh1280/cesium,emackey/cesium,hodbauer/cesium,josh-bernstein/cesium,denverpierce/cesium,soceur/cesium,denverpierce/cesium,kiselev-dv/cesium,omh1280/cesium,soceur/cesium,denverpierce/cesium,jason-crow/cesium