Debugging Syncthing inhibiting suspend

Multiple times now I put my laptop to sleep (systemctl suspend) only to find its fans spinning madly minutes later. Looking into the process monitor I see syncthing occupying a performance-core 100% of the 12th Gen Intel i7-1260P in my Framework Laptop. I use syncthingtray on Manjaro Sway Arch Linux. I guess the fact that it is not using an E-core is rather a problem of the OS, any suggestions to force syncthing to that?

I have gone through all related threads I found:

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