BI-2796 - Autocompletions for dataset names in the program including other experiments displayed but unable to select

[nickpalladino]

Description

Story: BI-2796

• Fix status code check that was resulting in incorrect duplicate dataset error

Dependencies

• develop on bi-web, brapi-server

Testing

• Follow Shawn's procedure in JIRA ticket
• Don't use plant level

Checklist:

• I have performed a self-review of my own code
• I have tested my code and ensured it meets the acceptance criteria of the story
• I have create/modified unit and/or integration tests to cover this change or tests are not applicable
• I have commented my code, particularly in hard-to-understand areas
• I have either updated the source of truth or arranged for update with product owner if needed https://breedinginsight.atlassian.net/wiki/spaces/BI/pages/1559953409/Source+of+Truth

[HMS17]

Sub-entity creation from autocomplete suggestion works successfully on local