Release 6.56.0

APP-112 Improvement: Add a Visual Cue on Manifest when Notes Object is not Empty in Booking
APP-113 Fix: (Public Transport Mode) Prevent App from Getting Stuck in fetchLastCardTransaction Loop
APP-114 Improvement: Allow navigating back to lookup item list
APP-31 New: Show Success/Failure on Secondary Display in Unattended Scan Mode
APP-42 New: (Terminal) Redesign Card Payment Page
APP-77 New: Support for Printer Low Paper Notification via Dash
APP-79 New: Support Tour Groups filter for black/white-listing on promotions
APP-86 Improvement: Check allowed next actions before every action
APP-87 Fix: (Public Transport Mode) Error dialogs need buttons
APP-94 Fix: Multi scan button alignment on the Scan detail page
TER-2347 Fix: + an - on GPIO not working