prepare accompanying-course-work context for new template

* batch renaming css class name accompanying-course-work
* remove unused classes
* remove -list class
* remove double class

src/Bundle/ChillMainBundle/Resources/public/vuejs/HomepageWidget/MyEvaluations.vue

@@ -1,5 +1,5 @@
 <template>
-<div class="accompanying_course_work">
+<div class="accompanying-course-work">
    <div class="alert alert-light">{{ $t('my_evaluations.description') }}</div>
    <span v-if="noResults" class="chill-no-data-statement">{{ $t('no_data') }}</span>
    <tab-table v-else>

src/Bundle/ChillMainBundle/Resources/public/vuejs/HomepageWidget/MyWorks.vue

@@ -1,6 +1,6 @@
 // CURRENTLY NOT IN USE
 <template>
-<div class="accompanying_course_work">
+<div class="accompanying-course-work">
    <div class="alert alert-light">{{ $t('my_works.description') }}</div>
    <span v-if="noResults" class="chill-no-data-statement">{{ $t('no_data') }}</span>
    <tab-table v-else>

src/Bundle/ChillMainBundle/Resources/views/Workflow/_attachment.html.twig

@@ -22,7 +22,7 @@
     {# For an action #}
     <h2>{{ 'Accompanying Course Action'|trans ~ 'target'|trans }}</h2>
 
-    <div class="flex-table accompanying_course_work-list">
+    <div class="flex-table accompanying-course-work">
         {# dynamic insertion
             ::: TODO delete all static insertion, remove condition and pass work object in inclusion
         #}{% if dynamic is defined %}