Improve display of S/MIME certificates

UI/WebServerResources/js/Contacts/CardController.js

@@ -43,6 +43,7 @@
 
 
     _registerHotkeys(hotkeys);
+    _loadCertificate();
 
     $scope.$on('$destroy', function() {
       // Deregister hotkeys
@@ -71,6 +72,15 @@
       });
     }
 
+    function _loadCertificate() {
+      if (vm.card.hasCertificate)
+        vm.card.$certificate().then(function(crt) {
+          vm.certificate = crt;
+        }, function() {
+          delete vm.card.hasCertificate;
+        });
+    }
+
     function transformCategory(input) {
       if (angular.isString(input))
         return { value: input };