Scan QR code from static image (#1566)

PR'd this again cause it was just easier than figuring out my git issues.

This PR allows users to open the link in a QR Code if it exists. Detects if there is a qr code and extracts that info, if it is an lnurl it'll append the lightning prefix so it can be opened by a lightning wallet. If it is a regular link it'll open a dialog to ask the user if they want to open the link, with the link displayed. If there is no link it show a dialog that says no qr code found.

See these notes for video examples: