Environment: iOS and Android apps, PR build 3807 (https://github.com/mattermost/mattermost-mobile/pull/3807)
Tap on ‘picture’ icon in new Post Draft icon tray (4th icon from the left)
Select a picture that is larger than the server’s allowed maximum file size
To verify this limit: System Console > File Storage > Maximum File Size
Expected: Error message should briefly appear when attempting to upload image.
Actual: Error message appears, but is obscured. See attached screen recording.
This is also an issue with the error messaging that gets hidden when adding more attachments than the allowed limit (5 attachments, by default).