Revert fix to umbrequesthelper.service it was NEVER meant to be able to receive an array of a single dictionary item - actual fix is to change logResource to not pass params in this way

src/Umbraco.Web.UI.Client/src/common/services/umbrequesthelper.service.js

@@ -47,17 +47,15 @@ function umbRequestHelper($http, $q, umbDataFormatter, angularHelper, dialogServ
                 return _.map(queryStrings, function (item) {
                     var key = null;
                     var val = null;
-                    var encodedQueryStrings = [];
-                    // can be multiple parameters passed via array
                     for (var k in item) {
                         key = k;
                         val = item[k];
-                        encodedQueryStrings.push(encodeURIComponent(key) + "=" + encodeURIComponent(val));
-                     }
+                        break;
+                    }
                     if (key === null || val === null) {
                         throw "The object in the array was not formatted as a key/value pair";
-                    }                  
-                    return encodedQueryStrings.join("&");
+                    }
+                    return encodeURIComponent(key) + "=" + encodeURIComponent(val);
                 }).join("&");
             }
             else if (angular.isObject(queryStrings)) {