Fix: issue when selecting the 'End Date' and using inline datepickers
Fix: timezone offset in iCal files when the offset is greater than 9
Tweak: force updating coordinates (retrieved by location) when saving booking products if they are not set
Tweak: fixed double arrows shown in selects
Tweak: disable Request a Quote button if the booking product fields are not filled
Tweak: prevent notice for trying to get property of non-object
Tweak: services with min quantity set to zero will be considered as optional if the customer choose set the quantity to zero, so they will be not added to the booking
Dev: new filter 'yith_wcbk_time_select_edit_booking_minute_step'