Fix claims.

Use OID instead of email for microsoft identifier.
Fix PlayerCount route.
Add created date to user table.
Create spectator icon.

Shogi.Api/Controllers/UserController.cs

@@ -42,7 +42,7 @@ public class UserController : ControllerBase
 	public ActionResult<CreateTokenResponse> GetWebSocketToken()
 	{
 		var userId = User.GetShogiUserId();
-		var displayName = User.DisplayName();
+		var displayName = User.GetShogiUserDisplayname();
 
 		var token = tokenCache.GenerateToken(userId);
 		return new CreateTokenResponse
@@ -74,7 +74,7 @@ public class UserController : ControllerBase
     {
         var signOutTask = HttpContext.SignOutAsync(CookieAuthenticationDefaults.AuthenticationScheme);
 
-        var userId = User?.GetGuestUserId();
+        var userId = User?.GetShogiUserId();
         if (!string.IsNullOrEmpty(userId))
         {
             connectionManager.Unsubscribe(userId);