Yangman - Module form - data in form rewritten after running GET request with unselected checkbox "Fill form with ..."

BUGGY BEH: The data in form are rewritten with data from previously executed GET request.
1. Refresh the page. Navigate to network-topology rev. module > config tab > expand network-topology branch > click topology

branch
2. Switch view to form.
3. PUT t1 and then t2 topologies.
4. Select GET operation, insert t1 to the form, and select "Fill form view with received data on history request select" checkbox, and send the request.
EXPECTED AND OCCURRED BEHAVIOUR: The form has been filled with t1 data. t1 is also filled in API.
5. Insert t2 in the form and unselect "Fill form view with received data on history request select" checkbox and send the request.
EXPECTED BEHAVIOUR: The data t2 remain filled in the form and in API.
BUGGY BEHAVIOUR THAT APPEARED: The form is filled with previously received data t1, and t2 remains filled in API.