PR feedback

Author: JamesNK

src/Http/Http.Results/src/AcceptedAtRoute.cs

@@ -53,7 +53,7 @@ internal AcceptedAtRoute(
         RouteValueDictionary routeValues)
     {
         RouteName = routeName;
-        RouteValues = routeValues ?? new RouteValueDictionary();
+        RouteValues = routeValues;
     }
 
     /// <summary>

src/Http/Http.Results/src/AcceptedAtRouteOfT.cs

@@ -59,7 +59,7 @@ internal AcceptedAtRoute(
     {
         Value = value;
         RouteName = routeName;
-        RouteValues = routeValues ?? new RouteValueDictionary();
+        RouteValues = routeValues;
         HttpResultsHelper.ApplyProblemDetailsDefaultsIfNeeded(Value, StatusCode);
     }
 

src/Http/Http.Results/src/CreatedAtRoute.cs

@@ -53,7 +53,7 @@ internal CreatedAtRoute(
         RouteValueDictionary routeValues)
     {
         RouteName = routeName;
-        RouteValues = routeValues ?? new RouteValueDictionary();
+        RouteValues = routeValues;
     }
 
     /// <summary>

src/Http/Http.Results/src/CreatedAtRouteOfT.cs

@@ -59,7 +59,7 @@ internal CreatedAtRoute(
     {
         Value = value;
         RouteName = routeName;
-        RouteValues = routeValues ?? new RouteValueDictionary();
+        RouteValues = routeValues;
         HttpResultsHelper.ApplyProblemDetailsDefaultsIfNeeded(Value, StatusCode);
     }