Add some aria labels to some OcSelect occurances

Author: pascalwengerter

packages/web-app-admin-settings/src/components/Users/GroupSelect.vue

@@ -2,6 +2,7 @@
   <div id="user-group-select-form">
     <oc-select
       :model-value="selectedOptions"
+      :aria-label="$gettext('Select groups')"
       class="oc-mb-s"
       :multiple="true"
       :options="groupOptions"

packages/web-app-epub-reader/src/App.vue

@@ -51,6 +51,7 @@
         </div>
         <oc-select
           v-model="currentChapter"
+          :aria-label="$gettext('Select a chapter')"
           class="epub-reader-controls-chapters-select oc-width-1-1 oc-px-s oc-hidden@l"
           :options="chapters"
           :searchable="false"

packages/web-app-files/src/components/SideBar/Details/TagsSelect.vue

@@ -2,8 +2,7 @@
   <oc-select
     ref="tagSelect"
     v-model="selectedTags"
-    :label="$gettext('Add or edit tags')"
-    :is-label-hidden="true"
+    :aria-label="$gettext('Add or edit tags')"
     class="tags-select"
     :multiple="true"
     :disabled="readonly"

packages/web-runtime/src/components/Account/ThemeSwitcher.vue

@@ -1,6 +1,7 @@
 <template>
   <div>
     <oc-select
+      :aria-label="$gettext('Select a theme')"
       :model-value="currentThemeOrAuto"
       :clearable="false"
       :options="availableThemesAndAuto"

packages/web-runtime/src/pages/account.vue

@@ -96,6 +96,7 @@
           <dd data-testid="language" class="oc-width-1-3@l oc-width-1-2@m oc-width-1-1@s">
             <oc-select
               v-if="languageOptions"
+              :aria-label="$gettext('Select language')"
               :placeholder="$gettext('Please choose...')"
               :model-value="selectedLanguageValue"
               :clearable="false"