fix(university.py/FilterService) : id_destination_open into is_destination_open

Relates to #148
7 jobs for !188 with add-filter-available-destinations in 8 minutes and 8 seconds (queued for 3 seconds)
detached
Status Job ID Name Coverage
  Check
passed #912133
docker
check_back

00:00:44

passed #912134
docker
check_front

00:04:01

 
  Test
passed #912135
docker
test_back

00:01:33

79.0%
passed #912136
docker
test_frontend

00:00:37

 
  Lint
passed #912138
docker
eslint

00:00:36

passed #912137
docker
flake8

00:00:15

 
  Svg Gen Docu
passed #912139
docker
generate_UML_svg

00:00:20