ID 539784 - Thumbnails fail to load in the Flix Client if not already cached on Windows

Problem summary
Windows: Thumbnails fail to load in the Flix Client if not already cached

Customer reported version
flix_6.4.1

Customer reported platform
windows10

Steps to reproduce

1. Login to Flix Client
2. Close Flix Client
3. Re-Open Flix Client. You should be automatically logged in
4. Open DevTools and disable the network cache
5. Navigate to sequence revision

Expected behaviour
Thumbnails are loaded correctly for all shows on the Show page and all panels in the revision

Actual behaviour
Thumbnails for new shows on the Show page and for new panels in the revision fail to load. Previously viewed panels are pulled from the cache.

Workaround
Refreshing the client should allow images to load. Logging out and back in should also allow images load images.

Reproduced by support
Flix 6.6.0_406 (internal build)

Flix 6.5.0 Public release