Fix subtle model picking bug introduced in 895987af3603429f73af4a7a31a82930ca44150d and exposed in IE 11. If the shader program for the color command had uniforms optimized out that were not also optimized out in the pick command, the uniform map for the pick command did not contain the uniforms.
Fix subtle model picking bug introduced in 895987af3603429f73af4a7a31a82930ca44150d and exposed in IE 11. If the shader program for the color command had uniforms optimized out that were not also optimized out in the pick command, the uniform map for the pick command did not contain the uniforms.

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