Silence no longer default SMS app after a rebbot if store on the SD card

Bug description

When the Silence application is stored on the SD card and the phone is rebooted it is no longer the default SMS app. However when Silence is store on the phone's memory this bug doesn't appear.

How to reproduce

• Store Silence on SD card
• Add Silence as default SMS app
• Turn OFF then turn ON the phone

Actual result: Silence is no longer the default SMS app
Expected result: Silence should stay the default SMS app

Device info

• Device: Samsumg Galaxy S5
• Android version: 9 (LineageOS 16.0)
• Silence version: 0.16.12-unstable