Obsidian does not respect default pdf app

Hi everyone,

Ubuntu 24.04.01 with Obsidian 1.7.5 installed from snap.

What I’m trying to do

When I click on a pdf file and trying to open it with the system default app (Okular), Obsidian does not respect that and instead opens it with another app (PDF Arranger)

Things I have tried

When I run in the terminal

xdg-open D6.4.pdf

the behavior is correct, the default system app is used.

I also tried to set the following:
xdg-mime default okularApplication_pdf.desktop x-scheme-handler/pdf
and restarted Obsidian but to no avail.

Any idea?

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