Improve Folder Browsing in the macOS App with a Visual Gallery

I have searched the existing feature requests, both open and closed, to make sure this is not a duplicate request. • Yes The feature I would like to see an improved folder browsing experience in the Immich macOS app, especially for users with large, carefully organized external photo libraries. Currently, the folder view resembles a basic file explorer. Folders are displayed as a vertical list, and opening a folder displays individual image files in a list with small thumbnails, filenames, file sizes, and dates. This works functionally, but it is not an efficient or visually appealing way to browse a large photo collection. Problem Many users have organized their photo archives over many years using a meaningful folder hierarchy, for example: • Gallery 1 • Gallery 1.1 • Gallery 1.2 • Gallery 2 • Gallery 2.1 • Gallery 2.2 • Gallery 2.2.1 Original File folder names already provide a useful classification system…