Any time the file dialog opens in macos my productivity drops to 0 for a few minutes while I try to do basic things like go up a directory or open my home directory.
If you’d like to have a more powerful experience with file dialogs, the paid application Default Folder X [1] is worth it.
Also Samba shares seem to mount perfectly on windows/Caja but on Finder there is some weird issue where after it working a few days suddenly you can't connect unless you use the terminal.
Click the parent directory or the home directory.