When selecting a feature in the Map Widget in ExBuilder, the data is pushed to Survey123 and prepopulates the linked data. However, When deselecting a feature, those fields remain populated with the last push.
When clicking in open space to deselect a feature a "null" value should be pushed on clear to remove that data from the survey. This is considerably cleaner collection as once the end user clicks any feature there is no going back. That data is forced in the survey and may not be relevant any longer, a deselect should remove the data that is no longer selected.
Example:
1. Click a feature on a map - data is populated in Survey123
2. click Open Space on the map - data is overwritten with a ""
3.Survey is submitted after user has decided a feature doesn't correlate with their response and the appropriate fields are blank
