Add nullability to web.common

src/Umbraco.Infrastructure/Security/IMemberManager.cs

@@ -14,13 +14,13 @@ namespace Umbraco.Cms.Core.Security
         /// </summary>
         /// <param name="user"></param>
         /// <returns></returns>
-        IPublishedContent AsPublishedMember(MemberIdentityUser user);
+        IPublishedContent? AsPublishedMember(MemberIdentityUser user);
 
         /// <summary>
         /// Returns the currently logged in member if there is one, else returns null
         /// </summary>
         /// <returns></returns>
-        Task<MemberIdentityUser> GetCurrentMemberAsync();
+        Task<MemberIdentityUser?> GetCurrentMemberAsync();
 
         /// <summary>
         /// Checks if the current member is authorized based on the parameters provided.