MTW Empty string handled incorrectly

Description

Empty string is processed as a 0, thereby marking the first option as selected.

Environment

None

Acceptance Criteria

When a user continues without answering, nothing should be marked as selected in the xAPI report.

Assignee

Thomas Marstrander

Reporter

Timothy Lim

Labels

None

Funding

None

Code reviewer

None

Released

None

Time tracking

1h

Fix versions

Sprint

None

Priority

Medium
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