Can't overwrite text files opened from content providers

[naveensingh]

Checklist

• I can reproduce the bug with the latest version given here.
• I made sure that there are no existing issues - open or closed - to which I could contribute my information.
• I made sure that there are no existing discussions - open or closed - to which I could contribute my information.
• I have read the FAQs inside the app (Menu -> About -> FAQs) and my problem isn't listed.
• I have taken the time to fill in all the required details. I understand that the bug report will be dismissed otherwise.
• This issue contains only one bug.
• I have read and understood the contribution guidelines.

Affected app version

1.3.0

Affected Android/Custom ROM version

Android 11

Affected device model

Redmi Note 11

How did you install the app?

GitHub releases

Steps to reproduce the bug

1. Open a text file that isn't saved locally (e.g., Google Drive)
2. Tap the Save button
3. See Save as dialog

Expected behavior

Save to the original file.

Actual behavior

The Save as dialog is displayed with no possibility to save to the original location.

Screenshots/Screen recordings

No response

Additional information

This was spotted in #277, but the bug was technically already there since one could never save to such locations.