ensure a consistent ordering in web conferences api
ensure a consistent ordering in web conferences api

refs CNVS-7032

Change-Id: I934c87defd9fccc4ea35a73e4bc7c541b5769217
Reviewed-on: https://gerrit.instructure.com/28601
Tested-by: Jenkins <d95b56ce41a2e1ac4cecdd398defd7414407cc08@instructure.com>
Reviewed-by: Nick Cloward <9cc571ed222c7ca8c35f018ff48a612f8cadeb73@instructure.com>
QA-Review: Cody Cutrer <c4fe2b1d90ef8f2548c8aeabfa633434316f0305@instructure.com>
Product-Review: Cody Cutrer <c4fe2b1d90ef8f2548c8aeabfa633434316f0305@instructure.com>

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