Created attachment 1682249 [details]
dev console error

Description of problem:
When interacting with the "create operand" editor an uncaught runtime error is thrown (white screen)

Version-Release number of selected component (if applicable):
4.5.0-0.nightly-2020-04-27-085228

How reproducible:
Always

Steps to Reproduce:
1.Install 'Argo CD' operator (not sure if happens for other operators)
2.Navigate to the operator and create a new instance of its 'Application' custom resource (not sure if it happens for other CRs)
3.The form editor is shown to create the CR, switch to the YAML editor
4.Start editing the YAML (add a new line, or add a space, or basically any interaction with the YAML editor
5.Attached error is thrown

Actual results:
Runtime exception / white screen

Expected results:
YAML editor is updated

Additional info:
Jon Jackson helped me confirm we could reproduce.