[4.0] override truncate (#34701)

This PR truncates the display of very long language string overrides in the list of language overrides to a limit of 200 characters

To test create an override for any string and add a long piece of text

Author: brianteeman

administrator/components/com_languages/tmpl/overrides/default.php

@@ -83,7 +83,7 @@
 									<?php endif; ?>
 								</th>
 								<td class="d-none d-md-table-cell">
-									<span id="string[<?php echo $this->escape($key); ?>]"><?php echo $this->escape($text); ?></span>
+									<span id="string[<?php echo $this->escape($key); ?>]"><?php echo HTMLHelper::_('string.truncate', $this->escape($text), 200); ?></span>
 								</td>
 								<td class="d-none d-md-table-cell">
 									<?php echo $language; ?>