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/SessionsController.cs

@@ -74,13 +74,7 @@ public class SessionsController : ControllerBase
   [HttpGet("PlayerCount")]
   public async Task<ActionResult<ReadSessionsPlayerCountResponse>> GetSessionsPlayerCount()
   {
-    var sessions = await this.queryRespository.ReadSessionPlayerCount();
-
-    return Ok(new ReadSessionsPlayerCountResponse
-    {
-      PlayerHasJoinedSessions = Array.Empty<SessionMetadata>(),
-      AllOtherSessions = sessions.ToList()
-    });
+    return Ok(await this.queryRespository.ReadSessionPlayerCount(this.User.GetShogiUserId()));
   }
 
   [HttpGet("{name}")]

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);