Merge pull request #5483 from nextcloud/issue-5075-png-files-for-activity-emails

apps/comments/img/comments-dark.svg

apps/comments/lib/Activity/Provider.php

apps/dav/lib/CalDAV/Activity/Provider/Calendar.php

apps/dav/lib/CalDAV/Activity/Provider/Event.php

apps/dav/lib/CalDAV/Activity/Provider/Todo.php

apps/files/img/add-color.png

apps/files/img/change.png

apps/files/img/delete-color.png

apps/files/lib/Activity/FavoriteProvider.php

apps/files/lib/Activity/Provider.php

apps/files_sharing/lib/Activity/Providers/Downloads.php

apps/files_sharing/lib/Activity/Providers/Groups.php

apps/files_sharing/lib/Activity/Providers/PublicLinks.php

apps/files_sharing/lib/Activity/Providers/RemoteShares.php

apps/files_sharing/lib/Activity/Providers/Users.php

apps/sharebymail/lib/Activity.php

apps/systemtags/lib/Activity/Provider.php

apps/twofactor_backupcodes/lib/Activity/Provider.php

...wofactor_backupcodes/tests/Unit/Activity/ProviderTest.php

core/img/actions/checkmark.png