sample_set.py missing sample_sets in compare

Resolved an issue where samples would not be displayed in the global
compare view if the sequence file involved was present in multiple
sample_sets (patient + run)

server/web2py/applications/vidjil/controllers/sample_set.py

@@ -224,7 +224,7 @@ def custom():
                 & (db.results_file.data_file != '')
                 & (db.config.id==db.results_file.config_id)
             )
-        myGroupBy = db.sequence_file.id|db.results_file.config_id
+        myGroupBy = db.sequence_file.id|db.patient.id|db.run.id|db.results_file.config_id
 
     query = db(q).select(
                 db.patient.id, db.patient.info, db.patient.first_name, db.patient.last_name,