Problem uploading avatars and files sent as images after domain migration

Hi!
My installation uses S3 minio as backend storage. The problem is as follows:
After migrating from domain alpha-domain.exp to beta-domain.exp all avatars and files sent as images are no longer accessible within the target installation.

I have inspected mongodb’s collection ‘rocketchat_avatars’ and I can see that all avatars have url leading to http of my old installation.

{ "_id" : "MBz2Y5akv5iopKKKm", "userId" : "jqzQxwnRtcZgYrAs4", "type" : "image/jpeg", "size" : 5798, "AmazonS3" : { "path" : "R5pn7Qb7gYr8KaRjq/avatars/jqzQxwnRtcZgYrAs4" }, "store" : "AmazonS3:Avatars", "_updatedAt" : ISODate("2019-09-03T22:48:25.305Z"), "instanceId" : "d8PpwXcfMQ9WHLB6o", "name" : "my.user", "complete" : true, "etag" : "33GaT9GPx78m4MK8r", "path" : "/ufs/AmazonS3:Avatars/MBz2Y5akv5iopKKKm/undefined", "progress" : 1, "token" : "69D878A978", "uploadedAt" : ISODate("2019-09-03T22:48:25.769Z"), "uploading" : false, "url" : "https://alpha-domain.exp/ufs/AmazonS3:Avatars/MBz2Y5akv5iopKKKm/undefined" }

I have tried changing

{"url" : "https://beta-domain.exp/ufs/AmazonS3:Avatars/"

, but to no avail.
Could you help me proceed with my migration to the new domain and give a few tips on how to make it as seamless as possible?

Start with the MongoDB collection rocketchat_avatars and compare the stored url, path, and AmazonS3 fields before and after the domain migration. Reproduce the problem with an existing avatar or image attachment, then verify that stored files resolve through beta-domain.exp without losing access to the Minio-backed objects.