MDL-47796 mod_data: Fix display of group records.

When viewing entries as a teacher in separate group
mode, changing the group would result in random
entries being shown.

mod/data/view.php

@@ -324,8 +324,9 @@
 
     echo $OUTPUT->header();
 
-/// Check to see if groups are being used here
-    $currentgroup = groups_get_activity_group($cm);
+    // Check to see if groups are being used here.
+    // We need the most up to date current group value. Make sure it is updated at this point.
+    $currentgroup = groups_get_activity_group($cm, true);
     $groupmode = groups_get_activity_groupmode($cm);
     $canmanageentries = has_capability('mod/data:manageentries', $context);
     // If a student is not part of a group and seperate groups is enabled, we don't