Fix: open collection with correct appBarType

lib/models/collection.dart

@@ -70,6 +70,10 @@ class Collection {
     return result;
   }
 
+  bool isOwner(int userID) {
+    return (owner?.id ?? 0) == userID;
+  }
+
   void updateSharees(List<User> newSharees) {
     sharees?.clear();
     sharees?.addAll(newSharees);

lib/ui/viewer/file/collections_list_of_file_widget.dart

@@ -1,9 +1,8 @@
-// @dart=2.9
-
 import 'package:flutter/material.dart';
 import 'package:logging/logging.dart';
 import 'package:photos/models/collection.dart';
 import 'package:photos/models/collection_items.dart';
+import 'package:photos/models/gallery_type.dart';
 import 'package:photos/services/collections_service.dart';
 import 'package:photos/ui/common/loading_widget.dart';
 import 'package:photos/ui/viewer/file/file_info_collection_widget.dart';
@@ -12,17 +11,20 @@ import 'package:photos/utils/navigation_util.dart';
 
 class CollectionsListOfFileWidget extends StatelessWidget {
   final Future<Set<int>> allCollectionIDsOfFile;
+  final int currentUserID;
 
-  const CollectionsListOfFileWidget(this.allCollectionIDsOfFile, {Key key})
+  const CollectionsListOfFileWidget(
+      this.allCollectionIDsOfFile, this.currentUserID,
+      {Key? key})
       : super(key: key);
 
   @override
   Widget build(BuildContext context) {
-    return FutureBuilder(
+    return FutureBuilder<Set<int>>(
       future: allCollectionIDsOfFile,
       builder: (context, snapshot) {
         if (snapshot.hasData) {
-          final Set<int> collectionIDs = snapshot.data;
+          final Set<int> collectionIDs = snapshot.data!;
           final collections = <Collection>[];
           for (var collectionID in collectionIDs) {
             final c =
@@ -44,6 +46,9 @@ class CollectionsListOfFileWidget extends StatelessWidget {
                     context,
                     CollectionPage(
                       CollectionWithThumbnail(collections[index], null),
+                      appBarType: collections[index].isOwner(currentUserID)
+                          ? GalleryType.ownedCollection
+                          : GalleryType.sharedCollection,
                     ),
                   );
                 },

lib/ui/viewer/file/file_info_widget.dart

@@ -225,7 +225,10 @@ class _FileInfoWidgetState extends State<FileInfoWidget> {
           horizontalTitleGap: 0,
           leading: const Icon(Icons.folder_outlined),
           title: fileIsBackedup
-              ? CollectionsListOfFileWidget(allCollectionIDsOfFile)
+              ? CollectionsListOfFileWidget(
+                  allCollectionIDsOfFile,
+                  _currentUserID,
+                )
               : DeviceFoldersListOfFileWidget(allDeviceFoldersOfFile),
         ),
       ),