The Repository URL of Discovered Project Disappears on Screen Rotation

Expected behavior

On screen rotation the entered URL should remain on the entered places.

Actual behavior

But after discovering a project, the appeared github URL clears on screen rotation.

How to reproduce

1. Install the app from F-droid.
   
2. Launch the app and click on add project.
   
3. Now click on Discover Projects Option and click on refresh button from top right corner. It will take sometime to synchronise. (Make sure you are connected to internet)
   
4. Now select any of the open source project from the list and you'll be direceted to add project interface with repository link entered.
   
5. Now change the orientation of the screen to landscape mode. The available repository link disappears.
   

• App Version: 0.14
  
• Device: Samsung Galaxy J5
  
• Operating System: Android 6.0.1

Recording Of The Bug

Here's the video recording of the bug.