Fix Exports while in Client Overview some were failing due to missing client_id var and some were not logging the client_id if in the client section

modals/software_export_modal.php

@@ -8,7 +8,9 @@
                 </button>
             </div>
             <form action="post.php" method="post" autocomplete="off">
+                <?php if($client_url) { ?>
                 <input type="hidden" name="client_id" value="<?php echo $client_id; ?>">
+                <?php } ?>
                 <div class="modal-body bg-white">
 
                 </div>