feat: Use ongoing patching app icon in notification

[vippium]

Feature description

Instead of using static android icon in notification pop-up, having an icon of app which is going to be patched. For eg: if user is patching YT, then YT icon should be there.

Motivation

visuals enhancements which'll help users identify the app being patched quickly.

Acknowledgements

• I have checked all open and closed feature requests and this is not a duplicate.
• I have chosen an appropriate title.
• The feature request is only related to ReVanced Manager.