Bug fixes

[STX-87133] Report "Partner letter" is not accessible through the dedicated screens

[STX-84305] In a postal address in Switzerland, the city name must not be uppercase as it can not be treated automatically by the post machines

[STX-85957] The wrong country is selected in back office, when entering a new relay in a structure

[STX-87290] A technical error prevents sales on the vending machine when multiple payment methods are configured

[STX-87144] Optional questions not answered in a questionnarie are not displayed on the related reports

[STX-87171] Reservations reminder email does not show the correct deadline to pay the reservations

[STX-87107] Distribution on ticket shop: the instruction on seat map is not clear

[STX-87550] The background image of the header does not appear on the ticket shop landing page

[STX-87149] Footer is not displayed at the right place on mobile devices in ticket shop

[STX-85753] Balance displayed in invoice screen is always zero

[STX-87232] In the sales period configuration, the check on sales start time is incorrect for relative date