Show weekdays for onboarding

The if is not needed anymore, because there are not switches like in the
4.x version

closes #4629

src/main/resources/templates/settings/public-holidays/settings_working_time.html

@@ -29,7 +29,7 @@ <h1 th:text="#{settings.header.title}" class="tw-sr-only"></h1>
           <th:block th:replace="~{settings/fragments::tab-navigation(activeElement='working-time')}" />
 
           <div id="publicHolidays" class="tw-mt-6">
-            <div th:if="${defaultWorkingTimeFromSettings}" class="form-section tw-mb-8">
+            <div class="form-section tw-mb-8">
               <div th:replace="~{settings/public-holidays/default-workingtime::section}"></div>
               <th:block th:replace="~{settings/fragments::save-button}" />
             </div>