Change the default file manager used by Zotero in Kubuntu

Hello. When I try to view a pdf file from Zotero with the link "display file" (I think it's that , I'm translating from French "Afficher le fichier"), Zotero opens nautilus (GNOME file manager) instead of dolphin (KDE file manager), which is my default file manager.

I have nautilus installed for other programs that need it, but I would like Zotero to default to Dolphin for showing me where the pdf is in the zotero arborescence. Is there any way I can change that?

Thank you in advance.
  • On Linux, Zotero just launches the parent directory, either via the OS or via Firefox, so this isn't controlled by Zotero. I don't know where you'd need to change it, though.
  • I suppose then that the default must be changed somewhere in Firefox. I'll investigate. Thank you.

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