File manager can not be found when doing backups

[Streammet]

Developer TODO (don't remove)

• create new branch. put issue number at start of name if not a very quick fix.
• write tests. put issue number in comment
• update documentation
• merge and delete branch (don't squash because want commit history to see why I made changes)

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Describe the bug
A clear and concise description of what the bug is.
When I try to create a Backup the App tells me that there are no Apps avaible to store it. I tried like 10 different file managers and non of them worked.

To Reproduce
Steps to reproduce the behavior:
Create a Backup without Play services

Upload a backup of your keymaps. Follow the guide here

Expected behavior
A clear and concise description of what you expected to happen.
Getting something like the android share sheet. So I can select what app I want to use to store my backup.

Screenshots
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Smartphone (please complete the following information):

• Device: Dynalink Android TV
• Android version: Android 13

Additional context
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