Updates overlay to only allow unique header type to match upstream

cartodb-org / cartodb

Location Intelligence & Data Visualization tool

http://cartodb.com

BSD 3-Clause "New" or "Revised" License

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Closed acarrera42 closed 6 years ago

acarrera42 commented 6 years ago

Changed to match upstream carto which allows only one 'header' overlay per visualization.

Initial tests show this is working fine on merge code. Adding @tylerparsons to review since header overlays are important to news profile.