Update TodoController.cs

Data received from API is in lowercase. After serialization to JSON it is still lowercase and ["Title"] throws an exception. It is hard to find out what is wrong without debugging.

Author: ysrmmz

WebApp-WebAPI-OpenIdConnect-DotNet/Controllers/TodoController.cs

@@ -53,8 +53,8 @@ public async Task<IActionResult> Index()
                     foreach (Dictionary<String, String> responseElement in responseElements)
                     {
                         TodoItem newItem = new TodoItem();
-                        newItem.Title = responseElement["Title"];
-                        newItem.Owner = responseElement["Owner"];
+                        newItem.Title = responseElement["title"];
+                        newItem.Owner = responseElement["owner"];
                         itemList.Add(newItem);
                     }