Unarchive uses the same icon as archive

[sebromero]

Describe the bug
Unarchive uses the same icon as archive

To Reproduce
Steps to reproduce the behavior:

1. Go to main screen
2. Click on three dots of an experiment, then tap "Archive"
3. Click again on the three dots
4. See the incorrect unarchive icon

Expected behavior
Unarchive should use the icon with the arrow pointing up

Screenshots

Smartphone (please complete the following information):

• Device: iPhone X
• OS: iOS
• Version 14