Added new context variable form_hide_required_text for hide the word "(required)" from selected forms

apps/main/templates/base.html

@@ -124,8 +124,10 @@
     {% get_main_setting "SIDE_BAR_SEARCH" as side_bar_search %}
     {% if side_bar_search %}
         {% with "true" as side_bar %}
+        {% with "true" as form_hide_required_text %} 
             {% search_form %}
         {% endwith %}
+        {% endwith %}
     {% endif %}
 
     {% get_object_navigation_links %}