Desktop Client 3.16.6 for macOS and Finder

Is it a bug, or is it a feature? Most times I can in Finder of macOS 15.5 by Ctrl-Klick on a file open a menue with an entry that allows to share that file via NextCloud. But sometimes this entry is not available. In such cases I did not found a way to regain that entry than restart the computer.

How can I regain this entry for sharing the file via NextCloud without restarting the computer?