FIXED: Various small bugs TESTED ON: WordPress 5.9 and WooCommerce 6.2.0
FIXED: Only treat event as mult-day if select or sequential event type. FIXED: Various other small bugs TESTED ON: WordPress 5.8.2 and WooCommerce 5.9.0
FIXED: Various small bugs TESTED ON: WordPress 5.8.1 and WooCommerce 5.6.0
