Add the auto_create ContentItemRequest post param and set it to false
Add the auto_create ContentItemRequest post param and set it to false

Fixes PLAT-1118

Test Plan
Make sure auto_create: false is sent as a post param during a content item selection request

Change-Id: I092e99d282be0d2b33489b0ac2acc95d5a3777f8
Reviewed-on: https://gerrit.instructure.com/57277
Tested-by: Jenkins
Reviewed-by: Nathan Mills <10b0771d20c18ad0d98c1d000665e443052b40b0@instructure.com>
QA-Review: August Thornton <9adc7a1161ddf32ff608de792a7e50179545f026@instructure.com>
Product-Review: Weston Dransfield <e9203059795dc94e28a8831c65eb7869e818825e@instructure.com>

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