(js) Catch some exceptions to avoid console errors

UI/WebServerResources/js/Preferences/Preferences.service.js

@@ -55,6 +55,11 @@
         window.CKEDITOR.addCss('.cke_editable { font-size: ' + data.SOGoMailComposeFontSize + 'px; }');
       }
 
+      _.forEach(data.AuxiliaryMailAccounts, function (mailAccount) {
+        if (isNaN(parseInt(mailAccount.port)))
+          mailAccount.port = null;
+      });
+
       // We convert our list of autoReplyEmailAddresses/forwardAddress into a string.
       // We also convert our date objects into real date, otherwise we'll have strings
       // or undefined values and the md-datepicker does NOT like this.

UI/WebServerResources/js/Preferences/PreferencesController.js

@@ -148,6 +148,8 @@
       }).then(function() {
         vm.preferences.defaults.AuxiliaryMailAccounts[index] = account;
         form.$setDirty();
+      }, function() {
+        // Cancel
       });
     };