fix: nullable warnings in ci tests

Author: CodeSchwert

src/Packages/Passport/Runtime/Scripts/Private/Model/DirectLoginOptions.cs

@@ -17,7 +17,7 @@ public class DirectLoginOptions
         /// <summary>
         /// Email address for email-based authentication (only used when directLoginMethod is Email).
         /// </summary>
-        public string email;
+        public string? email;
 
         /// <summary>
         /// Marketing consent status. Defaults to OptedIn. Required by Auth endpoints.
@@ -40,7 +40,7 @@ public DirectLoginOptions()
         /// <param name="loginMethod">The direct login method</param>
         /// <param name="emailAddress">The email address (optional)</param>
         /// <param name="marketingConsentStatus">Marketing consent status. Defaults to OptedIn if not specified. Required.</param>
-        public DirectLoginOptions(DirectLoginMethod loginMethod, string emailAddress = null, MarketingConsentStatus? marketingConsentStatus = null)
+        public DirectLoginOptions(DirectLoginMethod loginMethod, string? emailAddress = null, MarketingConsentStatus? marketingConsentStatus = null)
         {
             directLoginMethod = loginMethod;
             email = emailAddress;

src/Packages/Passport/Runtime/Scripts/Private/PassportImpl.cs

@@ -98,7 +98,7 @@ public void SetCallTimeout(int ms)
             _communicationsManager.SetCallTimeout(ms);
         }
 
-        public UniTask<bool> Login(bool useCachedSession = false, DirectLoginOptions directLoginOptions = null)
+        public UniTask<bool> Login(bool useCachedSession = false, DirectLoginOptions? directLoginOptions = null)
         {
             if (useCachedSession)
             {
@@ -163,7 +163,7 @@ private async UniTask<bool> Relogin()
             return false;
         }
 
-        public async UniTask<bool> ConnectImx(bool useCachedSession = false, DirectLoginOptions directLoginOptions = null)
+        public async UniTask<bool> ConnectImx(bool useCachedSession = false, DirectLoginOptions? directLoginOptions = null)
         {
             if (useCachedSession)
             {