Updated MoonCore dependencies. Switched to asp.net core native authentication scheme abstractions. Updated claim usage in frontend

Moonlight.ApiServer/Implementations/LocalAuth/LocalAuthConstants.cs

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+namespace Moonlight.ApiServer.Implementations.LocalAuth;
+
+public static class LocalAuthConstants
+{
+    public const string AuthenticationScheme = "LocalAuth";
+}

Moonlight.ApiServer/Implementations/LocalAuth/LocalAuthHandler.cs

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+using System.Text.Encodings.Web;
+using Microsoft.AspNetCore.Authentication;
+using Microsoft.AspNetCore.Http;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+
+namespace Moonlight.ApiServer.Implementations.LocalAuth;
+
+public class LocalAuthHandler : AuthenticationHandler<LocalAuthOptions>
+{
+    public LocalAuthHandler(
+        IOptionsMonitor<LocalAuthOptions> options,
+        ILoggerFactory logger,
+        UrlEncoder encoder
+    ) : base(options, logger, encoder)
+    {
+    }
+
+    protected override Task<AuthenticateResult> HandleAuthenticateAsync()
+    {
+        return Task.FromResult(
+            AuthenticateResult.Fail("Local authentication does not directly support AuthenticateAsync")
+        );
+    }
+
+    protected override async Task HandleChallengeAsync(AuthenticationProperties properties)
+    {
+        await Results
+            .Redirect("/api/localAuth")
+            .ExecuteAsync(Context);
+    }
+}

Moonlight.ApiServer/Implementations/LocalAuth/LocalAuthOptions.cs

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+using Microsoft.AspNetCore.Authentication;
+
+namespace Moonlight.ApiServer.Implementations.LocalAuth;
+
+public class LocalAuthOptions : AuthenticationSchemeOptions
+{
+    public string? SignInScheme { get; set; }
+}