Couple misc fixes

Change element where some classes are applied in admin.php to work with updated Bootstrap.

Add the fi, ff, fl, ffi, ffl series of ligatures to $_RDATA['s_latin'] as they are common in PDFs.

orcinus/admin.php

@@ -1939,8 +1939,8 @@ ORCINUS;
                       <table id="os_index_table" class="table table-striped w-100 mb-0 <?php
                         if ($_SESSION['index_show_page_titles'] == 'on') echo 'show-page-titles'; ?>">
                         <thead>
-                          <tr class="bg-black text-white">
-                            <th colspan="6">
+                          <tr>
+                            <th colspan="6" class="bg-black text-white">
                               <div class="row">
                                 <div class="col-md-6 d-flex mb-2 mb-md-0">
                                   <h3 class="d-flex flex-column justify-content-center mb-0 pe-2">Filters:</h3>

orcinus/config.php

@@ -772,7 +772,12 @@ $_RDATA['s_latin'] = array(
   'color' => array('colour'),
   'fiber' => array('fibre'),
 
+ 'ffi' => array('ffi'),
+ 'ffl' => array('ffl'),
   'ae' => array('æ', 'Æ', 'ä', 'Ä'),
+  'ff' => array('ff'),
+  'fi' => array('fi'),
+  'fl' => array('fl'),
   'oe' => array('œ', 'Œ', 'ö', 'Ö', 'ø', 'Ø'),
   'ss' => array('ß'),
   'sz' => array('ß'),