refactor(ShareDetails): Prevent undefined errors for share.permissions

Signed-off-by: fenn-cs <[email protected]>

apps/files_sharing/src/mixins/ShareDetails.js

@@ -5,6 +5,7 @@
 
 
 import Share from '../models/Share.js'
+import Config from '../services/ConfigService.js'
 
 export default {
 	methods: {
@@ -56,7 +57,7 @@ export default {
 				user: shareRequestObject.shareWith,
 				share_with_displayname: shareRequestObject.displayName,
 				subtitle: shareRequestObject.subtitle,
-				permissions: shareRequestObject.permissions,
+				permissions: shareRequestObject.permissions ?? new Config().defaultPermissions,
 				expiration: '',
 			}