Fixed button DocumentActionsButtonsGroup display bug

- improve document table
- add a smallfont css classe to handle table style
when called from index or from show page

src/Bundle/ChillDocStoreBundle/Resources/public/vuejs/DocumentActionButtonsGroup.vue

@@ -1,5 +1,5 @@
 <template>
-  <div v-if="'ready' === props.storedObject.status" class="dropdown">
+  <div v-if="'ready' === props.storedObject.status" class="btn-group">
     <button :class="Object.assign({'btn': true, 'btn-outline-primary': true, 'dropdown-toggle': true, 'btn-sm': props.small})" type="button" data-bs-toggle="dropdown" aria-expanded="false">
       Actions
     </button>