More rows.Close() and rows.Err() (#3262)

Looks like we missed some `rows.Close()`

Even though `rows.Err()` is mostly not necessary, we should be more
consistent in the DB layer.

[skip ci]

userapi/storage/sqlite3/profile_table.go

@@ -173,5 +173,5 @@ func (s *profilesStatements) SelectProfilesBySearch(
 			profiles = append(profiles, profile)
 		}
 	}
-	return profiles, nil
+	return profiles, rows.Err()
 }