Merge pull request #2705 from mvanhelmont/patch-3

U4-11452 umbPagination directive does not update when pagesize dynamically changed

src/Umbraco.Web.UI.Client/src/common/directives/components/umbpagination.directive.js

@@ -170,7 +170,7 @@ Use this directive to generate a pagination.
              }
          };
 
-         var unbindPageNumberWatcher = scope.$watch('pageNumber', function(newValue, oldValue){
+         var unbindPageNumberWatcher =  scope.$watchCollection('[pageNumber, totalPages]', function (newValues, oldValues) {
             activate();
          });