Allow Expeye to query BLSamplePosition (#277)

Author: gfrn

grants/ispyb_expeye.sql

@@ -48,6 +48,7 @@ GRANT SELECT, INSERT, UPDATE, DELETE ON BLSampleGroup TO ispyb_expeye_acquisitio
 GRANT SELECT, INSERT, UPDATE, DELETE ON BLSampleGroup_has_BLSample TO ispyb_expeye_acquisition_role;
 GRANT SELECT, INSERT, UPDATE, DELETE ON BLSubSample TO ispyb_expeye_acquisition_role;
 GRANT SELECT, INSERT, UPDATE, DELETE ON Project_has_BLSample TO ispyb_expeye_acquisition_role;
+GRANT SELECT, INSERT, UPDATE ON BLSamplePosition TO ispyb_expeye_acquisition_role;
 
 GRANT SELECT ON Protein TO ispyb_expeye_acquisition_role;
 GRANT SELECT, INSERT, UPDATE ON Crystal TO ispyb_expeye_acquisition_role;