Function CRD applied endpoint/status are single-valued fields, but Functions can be applied to multiple databases

[mkeesey]

When Function instances are created with a database: '*' target, Ingestor applies the function to all of the databases it knows about. However, the AppliedEndpoint and Status fields are singular values so the field just gets a single value. This prevents us from seeing the application status for all of the endpoints and may cause Ingestor to try re-applying to databases because it only sees the status for a different DB.