display reset link + minor changes

src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/store/index.js

@@ -23,7 +23,7 @@ let getDataPromise = getAccompanyingCourse(id)
          },
          getters: {
             selectedAndSuggested: state => {
-               let uniqBy = (a, key) => [
+               const uniqBy = (a, key) => [
                      ...new Map(
                         a.map(x => [key(x), x])
                      ).values()

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

@@ -34,16 +34,20 @@
                   <span>
                      <a  v-if="suggestedCounter > 0" href="#">
                         {{ $t('action.check_all')}}</a>
+                     <a  v-if="selectedCounter > 0" href="#"> 
+                        {{ $t('action.reset')}}</a>
                   </span>
                   <span v-if="selectedCounter > 0">
                      {{ $tc('add_persons.selected_counter', selectedCounter) }}
                   </span>
                </div>
+               
                <person-suggestion 
                   v-for="item in this.selectedAndSuggested.slice().reverse()"
                   v-bind:item="item" 
                   v-bind:key="item.id">
                </person-suggestion>
+               
                <button v-if="query.length >= 3" class="sc-button bt-create ml-5 mt-2" name="createPerson">
                   {{ $t('action.create') }} "{{ query }}"
                </button>

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

@@ -45,9 +45,9 @@ export default {
             return this.$store.state.add_persons.selected;
          }
       },
-      selectedAndSuggested() {
-         return this.$store.getters.selectedAndSuggested;
-      },
+      //selectedAndSuggested() {
+      //   return this.$store.getters.selectedAndSuggested;
+      //},
       isChecked() {
          return (this.selected.indexOf(this.item) === -1) ? false : true;
       }