Opened image disappears on device screen rotation.

Expected behavior

I opened image in app to draw something on image. After opening image file, if i rotate my device from portrait to landscape or landscape to portrait, the app needs to keep the opened image not to remove them from my canvas.

Actual behavior

I opened image in app to draw something on image. Now the image is on my canvas, if i rotate my device from portrait to landscape or landscape to portrait, the image just disappears from my canvas.

How to reproduce

To reproduce the bug, follow the following steps :-

• Download app from playstore or f-droid.
• Open app and click on three dots on top right of app nav bar. A menu will appear, now select open file from menu and choose any image from your device gallery.
• Now you see your image is on canvas. Now rotate your screen from portrait to landscape or landscape to portrait and the image got disappears and don't came back.

* Device:  Samsung J7 Prime
* Operating system: Android 7.0 Nougatt
* App Version: v3.1.5

Recording Of The Bug