AddPersons in activity

* modal button dont submit all form
* addNewPersons action mutation loop ready

src/Bundle/ChillPersonBundle/Resources/public/vuejs/_components/AddPersons.vue

@@ -1,9 +1,9 @@
 <template>
    <ul class="record_actions">
-      <li>
-         <button class="sc-button bt-create" @click="openModal">
+      <li class="add-persons">
+         <a class="sc-button bt-create" @click="openModal">
             {{ $t(buttonTitle) }}
-         </button>
+         </a>
       </li>
    </ul>
 
@@ -213,6 +213,11 @@ export default {
 </script>
 
 <style lang="scss">
+   li.add-persons {
+      a {
+         cursor: pointer;
+      }
+   }
    div.body-head {
       overflow-y: unset;
       div.modal-body:first-child {