[Web] Fix sieve validation, fixes #1960

data/web/js/mailbox.js

@@ -145,7 +145,7 @@ $(document).ready(function() {
   $("#script_data").numberedtextarea({allowTabChar: true});
   // Disable submit button on script change
 	$('#script_data').on('keyup', function() {
-    $('#add_filter_btns > #add_item').attr({"disabled": true});
+    $('#add_filter_btns > #add_sieve_script').attr({"disabled": true});
     $('#validation_msg').html('-');
 	});
   // Validate script data
@@ -161,7 +161,7 @@ $(document).ready(function() {
         var response = (data.responseText);
         response_obj = JSON.parse(response);
         if (response_obj.type == "success") {
-          $('#add_filter_btns > #add_item').attr({"disabled": false});
+          $('#add_filter_btns > #add_sieve_script').attr({"disabled": false});
         }
         mailcow_alert_box(response_obj.msg, response_obj.type);
       },

data/web/modals/mailbox.php

@@ -572,7 +572,7 @@ if (!isset($_SESSION['mailcow_cc_role'])) {
 					<div class="form-group">
 						<div class="col-sm-offset-2 col-sm-10" id="add_filter_btns">
               <button class="btn btn-default" id="validate_sieve" href="#"><?=$lang['add']['validate'];?></button>
-              <button class="btn btn-success" data-action="add_item" data-id="add_filter" data-api-url='add/filter' data-api-attr='{}' href="#" disabled><?=$lang['admin']['add'];?></button>
+              <button class="btn btn-success" id="add_sieve_script" data-action="add_item" data-id="add_filter" data-api-url='add/filter' data-api-attr='{}' href="#" disabled><?=$lang['admin']['add'];?></button>
 						</div>
 					</div>
 				</form>