Bug 31338: Show in advanced search when IncludeSeeFromInSearches is used

Test plan :
1) Apply patch
2) Set system preference IncludeSeeFromInSearches to "Include"
3) Go to staff interface advanced search
4) Check you see tip text in "Search for"
5) Set system preference IncludeSeeFromInSearches to "Don't include"
6) Go to staff interface advanced search
7) Check you don't see tip text in "Search for"

Signed-off-by: Owen Leonard <oleonard@myacpl.org>

Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>

Signed-off-by: Barbara Johnson <barbara.johnson@bedfordtx.gov>

Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
(cherry picked from commit 8d9de60582)
Signed-off-by: Jacob O'Mara <jacob.omara@ptfs-europe.com>

koha-tmpl/intranet-tmpl/prog/en/modules/catalogue/advsearch.tt

@@ -196,6 +196,12 @@
                             <input type="hidden" name="weight_search" value="1" />
                         [% END %]
                     [% END %]
+                    [% IF Koha.Preference('IncludeSeeFromInSearches') %]
+                        <p class="hint">
+                            <i class="fa fa-info-circle" aria-hidden="true"></i>
+                            See from (non-preferred form) headings are included
+                        </p>
+                    [% END %]
                     </fieldset>
                 <!-- /BOOLEAN SEARCH OPTIONS -->
                 </div> <!-- /#advanced-search -->