Qr Code partially scrolled (EXPOSUREAPP-6541) (#3110)

* Full screen qr-code that adapts to theme

* Revert color inversion

* Immersive mode

* Small cleaning

* Reset flags

* Handle cutout

* Lint

* Update QrCodeFullScreenFragment.kt

* Finally works

*  lint

* Fix navigation bar color on old Android versions

* Polishing

* Revert "Polishing"

This reverts commit e2f2be1e4b298ca0731d0b0688a6607cd6cabaa2.

* Revert "Revert "Polishing""

This reverts commit c99408dc5a46ec53161aac02f6cbebdd3f9c0486.

* Clear flags

* Show toolbar

* Improving

* Shadow view

* finally works

* works now?

* Animate

* Code 

 polishing

* Remove margin

* PR comments

* update shadow

* Use divider

Co-authored-by: Juraj Kusnier <jurajkusnier@gmail.com>