Run configuration production, remove deprecated --prod flag

-

Author: sondreb

src/Blockcore.Explorer/Blockcore.Explorer.csproj

@@ -33,7 +33,7 @@
   <Target Name="PublishRunWebpack" AfterTargets="ComputeFilesToPublish">
     <!-- As part of publishing, ensure the JS resources are freshly built in production mode -->
     <Exec WorkingDirectory="$(SpaRoot)" Command="npm install" />
-    <Exec WorkingDirectory="$(SpaRoot)" Command="npm run build -- --prod" />
+    <Exec WorkingDirectory="$(SpaRoot)" Command="npm run build -- --configuration production" />
     <!-- Include the newly-built files in the publish output -->
     <ItemGroup>
       <DistFiles Include="$(SpaRoot)dist\**; $(SpaRoot)dist-server\**" />