Translation of related data list/form headings

[actionwave34F]

We propose you to add translation of heading labels for related data in lists.
model ->list.php row 6879 (and 6902):
$aTableHeadings[$prefix] = empty($heading) ? FText::_($join->listlabel) . ' ' . FText::_('COM_FABRIK_LIST') : FText::_($heading);

On J3.3.6 ; Fabrik 3.3.2 with github updates