File chooser doesn't show image previews
It would be nice if the file chooser would show image previews.
Now that major distributions (Ubuntu) started shipping web browsers (both Firefox and Chromium) as containerized applications, users end up using the file chooser portal for selecting files to upload to web forms. When the file is an image, it may be difficult to pick the right file from just the tiny thumbnail (that doesn't get updated unless you manually open the containing folder in Nautilus, which is a different bug) and the filename (which may be an autogenerated one like "Screenshot from YYYY-MM-DD HH:MM:SS.png").