Unable to edit array containing null object from dashboard

[JacobJT]

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Environment Setup

Parse Dashboard 1.1.2 with parse-server 2.7.4 hosted on AWS, run through Chrome on OSX

Steps to reproduce

• (Bug on our part, still figuring out where it came from) Store Null in an array
• View object with null in array on dashboard
• Try to edit array. The box never comes up

Logs/Trace

I don't have any logs to show, but I did find the object in mLab. The array field's value is set to: [ null ]

I need to finish our investigation as to why null made it into the array in the first place, but it seems once it does it causes some problems. Seems it should either not be allowed in arrays, or arrays containing it have some bugs to iron out.