Move module startup install up to allow install middleware

Oqtane.Server/Startup.cs

@@ -222,6 +222,8 @@ namespace Oqtane
                 // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
                 app.UseHsts();
             }
+            // to allow install middleware it should be moved up
+            app.ConfigureOqtaneAssemblies(env);
             app.UseHttpsRedirection();
             app.UseStaticFiles();
             app.UseBlazorFrameworkFiles();
@@ -240,7 +242,7 @@ namespace Oqtane
                 endpoints.MapControllers();
                 endpoints.MapFallbackToPage("/_Host");
             });
-            app.ConfigureOqtaneAssemblies(env);
+
         }
     }
 }