BUG: MapVis: color by numeric attribute (sequential color scale) broken

BCK ID: BCK-519

Priority: High

Type: Bug

Description: MapVis color by numeric attribute (sequential color scale) is currently broken and needs to be fixed.

Asana Task: https://app.asana.com/1/1206648675960041/project/1208204369345947/task/1210637110983902