remove duplicate buttons on post buttons

src/components/extra_buttons/extra_buttons.vue

@@ -119,12 +119,12 @@
       </div>
     </template>
     <template v-slot:trigger>
-      <button class="button-unstyled popover-trigger">
+      <span class="button-unstyled popover-trigger">
         <FAIcon
           class="fa-scale-110 fa-old-padding"
           icon="ellipsis-h"
         />
-      </button>
+      </span>
     </template>
   </Popover>
 </template>

src/components/react_button/react_button.vue

@@ -41,7 +41,7 @@
       </div>
     </template>
     <template v-slot:trigger>
-      <button
+      <span
         class="button-unstyled popover-trigger"
         :title="$t('tool_tip.add_reaction')"
       >
@@ -49,7 +49,7 @@
           class="fa-scale-110 fa-old-padding"
           :icon="['far', 'smile-beam']"
         />
-      </button>
+      </span>
     </template>
   </Popover>
 </template>