Fix colors.icons access errors

Leworoe / thunderbird-outlook-appointment

Get the hidden appointment from an email from outlook/teams as a .ics-file

https://addons.thunderbird.net/de/thunderbird/addon/outlook-teams-appointments/

MIT License

14 stars 3 forks source link

Fix colors.icons access errors #7

Closed peterfab9845 closed 2 years ago

peterfab9845 commented 2 years ago

When using some themes, the theme object returned from browser.theme.getCurrent() will not have a colors property defined. When we try to access colors.icons, TypeErrors are produced (every time a message with an appointment is opened):