Bugfixes

• Three digit colors in whitelabel theme causes crash/error in apps #3303
• light colors are not detected correctly and native backgrounds/status bars etc are not updated accordingly #3312
• CORS breaks search index on locally hosted webclient #3306

Milestones

https://github.com/tutao/tutanota/milestone/172?closed=1
https://github.com/tutao/tutanota/milestone/169?closed=1
https://github.com/tutao/tutanota/milestone/171?closed=1