Merge pull request #298 from Unity-Technologies/fix-for-enum-control-size

Fixed the enum control size, so it is now aligning properly in the UI

com.unity.shadergraph/Editor/Resources/Styles/Controls/EnumControlView.uss

 }
 
 EnumControlView > EnumField {
+    width: 80;
     flex: 1;
     margin-left: 0;
     margin-right: 8;
 
 EnumControlView > Label {
+    width: 100;
     padding-left: 0;
     padding-right: 0;
     padding-top: 0;