Saving to Onedrive (Gnome 46) will corrupt portfolio-file when using flatpak version of PP

[JustforBugRep]

Describe the bug
The new version of gnome (46) allows onedrive-integration. When using the flatpak version of Portfolio Performance, it is able to open the portfolio-file on onedrive, but corrupts the file when writing (filesize 0 after write).

To Reproduce
Steps to reproduce the behavior:

1. Have Gnome 46 installed.
2. Set up your Microsoft account via gnome-settings/online-accounts/microsoft 365.
3. Install flathub version of Portfolio Performance
4. Start PortfolioPerformance
5. Open the portfolio stored on Onedrive
6. change something and save

Expected behavior
The portfolio file should be saved correctly on its location on OneDrive

Screenshots
If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):

• OS: Fedora Workstation 40
• Portfolio Performance Version 0.68.4 (flatpak)