update change log

Author: joaojmendes

CHANGELOG.json

@@ -31,7 +31,8 @@
           "`FilePicker`: Fix site breadcrumb navigation [#1368](https://github.com/pnp/sp-dev-fx-controls-react/issues/1368)",
           "`DynamicForm`: Initialize changedValue with defaultValue [#1454](https://github.com/pnp/sp-dev-fx-controls-react/pull/1454)",
           "`DynamicForm`: Fix image path [#1455](https://github.com/pnp/sp-dev-fx-controls-react/pull/1455)",
-          "`DynamicForm`: Check empty array and trasform it in set as null [#1456](https://github.com/pnp/sp-dev-fx-controls-react/pull/1456)"
+          "`DynamicForm`: Check empty array and trasform it in set as null [#1456](https://github.com/pnp/sp-dev-fx-controls-react/pull/1456)",
+          "`FilePicker`: Fix site browser resize [#1457](https://github.com/pnp/sp-dev-fx-controls-react/pull/1457)"
         ]
       },
       "contributions": [