Merge pull request #9701 from nextcloud/backport/9697/stable3.6

[stable3.6] Fix: query share attributes for filepicker

Author: st3iny

src/main.js

@@ -24,6 +24,7 @@
 
 import Vue from 'vue'
 import { getRequestToken } from '@nextcloud/auth'
+import { registerDavProperty } from '@nextcloud/files'
 import { sync } from 'vuex-router-sync'
 import { generateFilePath } from '@nextcloud/router'
 import '@nextcloud/dialogs/style.css'
@@ -58,6 +59,8 @@ const getPreferenceFromPage = (key) => {
 	return elem.value
 }
 
+registerDavProperty('nc:share-attributes', { nc: 'http://nextcloud.org/ns' })
+
 store.commit('savePreference', {
 	key: 'debug',
 	value: loadState('mail', 'debug', false),