Merge pull request #9350 from CesiumGS/viewer-credit-css

Don't extend the viewer credit container all the way to the right of the screen

Author: mramato

Source/Widgets/Viewer/Viewer.css

@@ -20,7 +20,6 @@
   position: absolute;
   bottom: 0;
   left: 0;
-  right: 0;
   padding-right: 5px;
 }