Excel-export saves with two file extensions

[uli-on]

App version

1.8.10

Bug Description

The Excel sheet that's saved to disk via export has a duplicate file extension: filename.xsl.xls or the like (please spare me the app-switch-and-completely-refill-this-webform dance for the correct extension)

Steps to Reproduce

No response

Details (Screenshots, Debug Info, Configurations)

Android 13, Fairphone 3

[derdilla]

Interesting, I don't experience this on my Android 15 Motorola. Don't worry about the webform.

[uli-on]

Copied from my file manager app:
blood_press_2025-11-02T23_22_08.235314.xsl.xls