Merge pull request #3493 from eszkadev/private/eszkadev/fix-join-afte…

…r-rename

Fixes #3492 joining after document is renamed inside editor

src/helpers/url.js

@@ -34,7 +34,7 @@ const getSearchParam = (name) => {
 
 const getCallbackBaseUrl = () => {
 	const callbackUrl = Config.get('wopi_callback_url')
-	return callbackUrl || window.location.protocol + '//' + window.location.host + getRootUrl() + '/'
+	return callbackUrl || window.location.protocol + '//' + window.location.host + getRootUrl()
 }
 
 const getWopiSrc = (fileId) => {