fix cross-shard files api index qualified names error
fix cross-shard files api index qualified names error

closes #CNVS-33018

Change-Id: I6da1736e45f8e69cdd3f1cd10dff6dde96533f57
Reviewed-on: https://gerrit.instructure.com/94035
Tested-by: Jenkins
Reviewed-by: Cody Cutrer <c4fe2b1d90ef8f2548c8aeabfa633434316f0305@instructure.com>
Product-Review: James Williams  <3a5f4ed991dbfa5c9ef76ad729d240ca12f62180@instructure.com>
QA-Review: James Williams  <3a5f4ed991dbfa5c9ef76ad729d240ca12f62180@instructure.com>

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