Is it possible to change the file explorer used when "Export Setting/Data"?

[eng 6955]

When I press “Export Setting/Data” in Poweramp on Android 13, the SAF (Storage Access Framework) is launched.
I navigate to the desired location in Google Drive and use the backspace key to delete everything except “.ext” from the pre-defined file name by Poweramp.

The problem occurs at this point. After deleting the text before “.ext”, it moves to the upper directory in Google Drive as if I pressed the back button.
This happens whether I hold down the backspace key for a long time or press it multiple times.
After the text is deleted, it moves to the upper directory, taking me out of the location where I want to save the file.

The strange thing is that this issue does not occur in the text input form when creating a new folder with SAF. 
It only happens in the file name input form predefined by the app when exporting data from the app.

I know this is not Poweramp’s fault, but this is the only thing that bothers me while using Poweramp.

It's not a big problem, but I would like to use a different file explorer if there is a way.

Press Backspace -> 

 

Press Backspace ->

 

Edited August 3 by eng 6955
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[andrewilley]

No, you can't change the file explorer from the system default. To avoid your issue though, why not type the new text into the filename first, then remove the wording you don't need.

Andre