* fix: create SearchAccess on library creation for course creator search access
When a course creator creates a new library, the SearchAccess record must exist immediately so their JWT token can include the library's access_id. Without this, course creators cannot see newly added components in search results until the page is refreshed.
This issue doesn't affect superusers who bypass access_id filtering.
* test: verify SearchAccess is created automatically on library creation
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Co-authored-by: Usama Sadiq <usama7274@gmail.com>
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