Changes on packages

backend/Core/Musify.Application/Users/GetUserById.cs

@@ -20,7 +20,7 @@ namespace Musify.Application.Users
                 .Select(u => UserApplicationResponse.FromEntity(u))
                 .SingleOrDefaultAsync(cancellationToken);
 
-            if (user is null)
+            if (user == null)
                 return Error.NotFound();
 
             return user;

backend/Core/Musify.Application/Users/GetUserProfile.cs

@@ -38,7 +38,7 @@ namespace Musify.Application.Users
                 })
                 .SingleOrDefaultAsync(cancellationToken);
 
-            if (user is null)
+            if (user == null)
                 return Error.NotFound();
 
             var followersCount = await database.UserFollows

backend/Core/Musify.Application/Users/SyncUser.cs

@@ -23,7 +23,7 @@ namespace Musify.Application.Users
             var user = await database.Users
                 .SingleOrDefaultAsync(u => u.Id == request.Id, cancellationToken);
 
-            if (user is null)
+            if (user == null)
             {
                 await database.Users.AddAsync(new User
                 {

backend/Core/Musify.Application/Users/UnfollowUser.cs

@@ -18,7 +18,7 @@ namespace Musify.Application.Users
             var follow = await database.UserFollows
                 .SingleOrDefaultAsync(f => f.FollowerId == request.FollowerId && f.FollowedId == request.FollowedId, cancellationToken);
 
-            if (follow is null)
+            if (follow == null)
                 return new Success();
 
             database.UserFollows.Remove(follow);