Simplify Email.razor

Author: halter73

src/ProjectTemplates/Web.ProjectTemplates/content/BlazorWeb-CSharp/BlazorWeb-CSharp/Components/Account/Pages/Manage/Email.razor

@@ -62,13 +62,11 @@
     [CascadingParameter]
     public required HttpContext HttpContext { get; set; }
 
-    [SupplyParameterFromForm]
-    private InputModel Input { get; set; } = default!;
+    [SupplyParameterFromForm(FormName = "change-email")]
+    private InputModel Input { get; set; } = new();
 
     protected override async Task OnInitializedAsync()
     {
-        Input ??= new();
-
         user = await UserAccessor.GetRequiredUserAsync(HttpContext);
         email = await UserManager.GetEmailAsync(user);
         isEmailConfirmed = await UserManager.IsEmailConfirmedAsync(user);