Use AccordionList macro on applications index page, remove duped class on task order index page

templates/components/accordion_list.html

@@ -1,8 +1,8 @@
 {% macro AccordionList() %}
   <accordion-list inline-template>
-    <div class="accordion-list">
+    <div class="accordion-list usa-accordion">
       <div class="action-group">
-        <a v-on:click="handleClick($event)">Collapse All</a>
+        <a v-on:click="handleClick($event)" class="accordion-list__collapse">Collapse All</a>
       </div>
       <!-- caller iterates over accordion vue components or Accordion jinja macros -->
       {{ caller() }}