Remove Group creation view, use a modal for creation and edition

closes #1430 (closed)

src/components/Auth/Profile/Groups.vue

 <template>
   <div>
-    <router-link :to="{ name: 'group-create' }" class="button is-info is-small">
-      <i class="icon-plus"></i>
+    <button
+      class="button is-primary is-pulled-right"
+      v-on:click="createModal = true"
+    >
       Create a group
-    </router-link>
+    </button>
     <Paginator
       :response="membershipsPage"
       v-slot="{ results }"
@@ -25,6 +27,8 @@
       </table>
     </Paginator>
   </div>
+
+  <CreateForm v-model="createModal" v-on:created="load" />
 </template>
 
 <script>
@@ -36,15 +40,18 @@ import { useNotificationStore, useRightsStore } from '@/stores'
 
 import GroupMembership from '@/components/Group/GroupMembership.vue'
 import Paginator from '@/components/Paginator.vue'
+import CreateForm from '@/components/Group/EditionForm'
 
 export default {
   components: {
     Paginator,
-    GroupMembership
+    GroupMembership,
+    CreateForm
   },
   data: () => ({
     loading: false,
-    page: 1
+    page: 1,
+    createModal: false
   }),
   computed: {
     ...mapState(useRightsStore, ['membershipsPage']),