Improvements and Bugfixes

Hi there,

• [Bugfix]Fixed deadlink in Import Guest Users view
• [Bugfix] Fixed unable to delete vouchers
• [Bugfix] Subaccount privileges not being assigned correctly
• [Bugfix] Fixed regression with downloading guest report
• [Bugfix] Unable edit/delete whitelisted MAC
• [Bugfix] Too many redirects issue when the data limit has exceeded
• [Bugfix] Site switcher not available in mobile view