Bugfixes

• Font size picker does not work #10806
• Pasting a list of emails thats is seperated by newline into the To field only adds the first address #9580
• Fix "upload has been aborted" error #10863
• Investigate: assertNotNull failed on getConversationForMail #10764

Milestone

https://github.com/tutao/tutanota/milestone/429?closed=1