Ensure creator related blobs are stored in the creator container

src/Web/Features/Contents/Handlers/ChangeBanner.cs

@@ -43,9 +43,8 @@ public class ChangeBannerHandler(
             return;
         }
 
-        // TODO: this upload should be done to the Creators container
         var blobUrl = await blobStorage.UploadFileAsync(
-            ContainerNames.Users,
+            ContainerNames.Creators,
             $"{request.CreatorId}/{SubDirectoryNames.Profile}/{CommonFileNames.BannerPicture}",
             request.File.OpenReadStream(),
             request.File.ContentType,