Allowed ?force_reload=true through on pages edit endpoint

refs 008f86fc29

- same as posts. Related functionality to handle the query param exists on the Post model

core/server/api/canary/pages.js

@@ -123,6 +123,7 @@ module.exports = {
             'include',
             'id',
             'source',
+            'force_rerender',
             // NOTE: only for internal context
             'forUpdate',
             'transacting'