EventON - QR Code 2.0.2

FIXED: use qrserver instead of google API for qr code generation

ADDED: various API endpoints for checking guests via mobile app
FIXED: php 8.2 compatibility

ADDED: other checkin page colors into appearance settings
ADDED: enter new ticket ID button on success page
ADDED: get_page_data() to pass on ticket meta data from tickets addon
ADDED: qr code images hidden on media library page
ADDED: new qr code images be moved to ../uploads/evo_qr_codes folder
FIXED: encrypted ticket number to show encrypted even for refunded order items
UPDATED: increased default qr code image size to 200px
UPDATED: checking page styles
REQ: EventON 4.0