v3.1.0: Achievements will not save/cannot be imported via JSON

[korgano]

Attempting to add achievements to work experience fails to add the data to the role, despite toast message that profile has been updated.

Steps to reproduce:

1. Load a profile.
2. Go to Experience tab.
3. Edit an existing role.
4. Add text to the Achievements section.
5. Save.
6. Toast message about profile being updated appears.
7. Entry in Experience History does not update.
8. Go to Import/Export.
9. Export resume as JSON.
10. Achievements for role will be blank.

Manually attempting to add achievements by editing a JSON export and reimporting also fail.