Search: Upgrade to Sitefinity 11.1 results in errors related to item filter strategy for search indexes when database is on Azure
When upgrading Sitefinity to versions after 11.1 (e.g. Sitefinity 10.0.6400 -> Sitefinity 11.1.6800), an error with message "Enum conversion failed as the property/field is not nullable and no value has been read from the database" is thrown when the database is hosted on Azure.