Merge branch 'netcore/bug/minify-plugins' of https://github.com/kjac/Umbraco-CMS into kjac-netcore/bug/minify-plugins

# Conflicts:
#	src/Umbraco.Web.BackOffice/DependencyInjection/UmbracoBuilderExtensions.cs

src/Umbraco.Web.UI.NetCore/Startup.cs

@@ -40,7 +40,7 @@ namespace Umbraco.Cms.Web.UI.NetCore
         {
 #pragma warning disable IDE0022 // Use expression body for methods
             services.AddUmbraco(_env, _config)
-                .AddBackOffice()
+                .AddBackOffice(_env)
                 .AddWebsite()
                 .AddComposers()
                 .Build();