Merge NewQRView and QRScanner components

[bryce-mcmath]

From our tech debt list:

NewQRView.tsx is essentially the scan screen that is gated behind the developer setting, "Use connection inviter capability". Maintaining both views separately requires a bit of doubled effort and they are similar enough that they cause SonarCloud duplication failures. They should be merged and handle the different behaviour as one component. This will also prevent fixes and features going into one component but not the other