fix: Resolve file list dependency of the sidebar on Nextcloud <= 27

Signed-off-by: Julius Härtl <jus@bitgrid.net>

src/main.js

@@ -5,6 +5,10 @@ import store from './store.js'
 
 Vue.mixin({ methods: { t, n } })
 
+// Make sure that the filesClient is available in the global scope used by the sidebar
+// FIXME: Can be dropped once Nextcloud 28 is the minimum supported version
+Object.assign(window.OCA.Files, { App: { fileList: { filesClient: OC.Files.getClient() } } }, window.OCA.Files)
+
 export default new Vue({
 	el: '#content',
 	store,