[ISSUE] Problems with XDG-Portals on GTK-based flatpak apps ?

[ISSUE] Problems with XDG-Portals on GTK-based flatpak apps ?

[SpidFightFR]

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New issue by SpidFightFR on void-packages repository

https://github.com/void-linux/void-packages/issues/52569

Description:
### Is this a new report?

Yes

### System Info

Void 6.11.2_1 x86_64 AuthenticAMD uptodate rrmFFFFFFFF

### Package(s) Affected

flatpak-1.15.10_2; xdg-desktop-portal-kde-6.1.5_1

### Does a report exist for this bug with the project's home (upstream) and/or another distro?

I opened an issue [here](https://github.com/SpacingBat3/WebCord/issues/566), on the base project's page. However since i noticed the upstream version works normally. I assume it's an issue with portals or flatpak, or i'm missing something entirely different here.

### Expected behaviour

The "open-file" dialog window should open the proper dialog window, for example with kde:
![image](https://github.com/user-attachments/assets/587d0b18-ffe4-4e2b-ac25-5e98d1598741)


### Actual behaviour

The "open-file" window within a gtk-based app is supposed to open the portal's filepicker (e.g: the kde dialog window on kde).

However here it opens the default gtk dialog window.
And an error happens: `Server is missing xdg_foreign support`
![image](https://github.com/user-attachments/assets/91af8afb-4831-4476-8d11-149a98debe5c)


### Steps to reproduce

1. Open a gtk-based app (e.g: Webcord in my case, based on the electron framework, which uses gtk)
2. find a way to summon the "open-file" dialog, by uploading a file for example.
3. Issue happens.

NOTE: i'm absolutely not sure what causes the issue.

Re: Problems with XDG-Portals on GTK-based flatpak apps ?

[SpidFightFR]

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New comment by SpidFightFR on void-packages repository

https://github.com/void-linux/void-packages/issues/52569#issuecomment-2400615473

Comment:
I saw a GTK update recently, can these event be related ?

Re: [ISSUE] [CLOSED] Problems with XDG-Portals on GTK-based flatpak apps ?

[SpidFightFR]

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Closed issue by SpidFightFR on void-packages repository

https://github.com/void-linux/void-packages/issues/52569

Description:
### Is this a new report?

Yes

### System Info

Void 6.11.2_1 x86_64 AuthenticAMD uptodate rrmFFFFFFFF

### Package(s) Affected

flatpak-1.15.10_2; xdg-desktop-portal-kde-6.1.5_1

### Does a report exist for this bug with the project's home (upstream) and/or another distro?

I opened an issue [here](https://github.com/SpacingBat3/WebCord/issues/566), on the base project's page. However since i noticed the upstream version works normally. I assume it's an issue with portals or flatpak, or i'm missing something entirely different here.

### Expected behaviour

The "open-file" dialog window should open the proper dialog window, for example with kde:
![image](https://github.com/user-attachments/assets/587d0b18-ffe4-4e2b-ac25-5e98d1598741)


### Actual behaviour

The "open-file" window within a gtk-based app is supposed to open the portal's filepicker (e.g: the kde dialog window on kde).

However here it opens the default gtk dialog window.
And an error happens: `Server is missing xdg_foreign support`
![image](https://github.com/user-attachments/assets/91af8afb-4831-4476-8d11-149a98debe5c)


### Steps to reproduce

1. Open a gtk-based app (e.g: Webcord in my case, based on the electron framework, which uses gtk)
2. find a way to summon the "open-file" dialog, by uploading a file for example.
3. Issue happens.

NOTE: i'm absolutely not sure what causes the issue.

Re: Problems with XDG-Portals on GTK-based flatpak apps ?

[SpidFightFR]

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New comment by SpidFightFR on void-packages repository

https://github.com/void-linux/void-packages/issues/52569#issuecomment-2400816399

Comment:
Not linked to Voidlinux.