Dropdown fixes
Dropdown fixes

- fixed some bugs on blur and clicking elements inside the list

BiodataMiningGroup/vue-strap,wffranco/vue-strap,wffranco/vue-strap,lotestudio/vue-strap,BiodataMiningGroup/vue-strap,tonypee/vue-strap,lotestudio/vue-strap,yuche/vue-strap,tonypee/vue-strap,yuche/vue-strap