Adds NC "OR" feature flag
Adds NC "OR" feature flag

closes CNVS-21208

Change-Id: I888a5f0cc3f6a8a4ba9e4e2eb82c3a9f724d74b3
Reviewed-on: https://gerrit.instructure.com/56484
Tested-by: Jenkins
Reviewed-by: Jeremy Stanley <b3f594e10a9edcf5413cf1190121d45078c62290@instructure.com>
QA-Review: Clare Strong <40d6bb3ed7fef516c73274131d5a837c16de74fd@instructure.com>
Product-Review: Dan Minkevitch <2591e5f46f28d303f9dc027d475a5c60d8dea17a@instructure.com>

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