chore(codebase): full cleanup pass

backend/Modules/Creators/Features/ChangePresentationInfos.cs

@@ -45,12 +45,12 @@ public class ChangePresentationInfosHandler(
         ChangePresentationInfosRequest request,
         CancellationToken ct)
     {
-        var creator = await context
+        Creator? creator = await context
             .Creators
             .Include(c => c.Presentation)
             .SingleOrDefaultAsync(
                 c => c.Id == request.CreatorId,
-                cancellationToken: ct);
+                ct);
 
         if (creator is null)
         {
@@ -60,12 +60,12 @@ public class ChangePresentationInfosHandler(
 
         // Update the presentation info with the new values
         creator.Presentation.Description = request.Description.Trim();
-        creator.Presentation.VideoUrl = request.VideoUrl != null 
+        creator.Presentation.VideoUrl = request.VideoUrl != null
             ? YouTubeUrlHelper.ExtractVideoId(request.VideoUrl.Trim())
             : null;
-        
+
         await context.SaveChangesAsync(ct);
-        
+
         await SendOkAsync(ct);
     }
 }