vue_accourse: adapt stickynav numerotation with 2 new blocs

+ let IDE make corrections in theses files

src/Bundle/ChillPersonBundle/Resources/public/vuejs/AccompanyingCourse/components/OriginDemand.vue

@@ -1,7 +1,7 @@
 <template>
    <div class="vue-component">
-      <h2><a name="section-15"></a>{{ $t('origin.title') }}</h2>
-     
+      <h2><a name="section-20"></a>{{ $t('origin.title') }}</h2>
+
       <div class="my-4">
          <label for="selectOrigin">
             {{ $t('origin.label') }}