update old configs

platform/app/public/config/demo.js

@@ -4,7 +4,6 @@ window.config = {
   extensions: [],
   showStudyList: true,
   // below flag is for performance reasons, but it might not work for all servers
-  omitQuotationForMultipartRequest: true,
   showWarningMessageForCrossOrigin: true,
   strictZSpacingForVolumeViewport: true,
   showCPUFallbackMessage: true,
@@ -25,6 +24,7 @@ window.config = {
         bulkDataURI: {
           enabled: false,
         },
+        omitQuotationForMultipartRequest: true,
       },
     },
   ],