[Blazor] Update bind:set,after runtime apis (#44412)

* Runtime helpers update
* Test updates
* Fix build break

Author: javiercn

src/Components/Components/src/CompilerServices/RuntimeHelpers.cs

@@ -70,6 +70,36 @@ public static EventCallback<T> CreateInferredEventCallback<T>(object receiver, E
         return EventCallback.Factory.Create<T>(receiver, callback);
     }
 
+    /// <summary>
+    /// Not intended for use by application code.
+    /// </summary>
+    /// <param name="callback"></param>
+    /// <param name="value"></param>
+    /// <returns></returns>
+    //
+    // This method is used with `@bind-Value:set` to coerce the user provided expression to a Func<T, Task>.
+    public static Func<T, Task> CreateInferredBindSetter<T>(Func<T, Task> callback, T value)
+    {
+        return callback;
+    }
+
+    /// <summary>
+    /// Not intended for use by application code.
+    /// </summary>
+    /// <param name="callback"></param>
+    /// <param name="value"></param>
+    /// <returns></returns>
+    //
+    // This method is used with `@bind-Value:set` to coerce the user provided expression to a Func<T, Task>.
+    public static Func<T, Task> CreateInferredBindSetter<T>(Action<T?> callback, T value)
+    {
+        return (value) =>
+        {
+            callback(value);
+            return Task.CompletedTask;
+        };
+    }
+
     /// <summary>
     /// Not intended for use by application code.
     /// </summary>