fixed copied item catalog date

lib/model/entry.dart

@@ -438,13 +438,15 @@ class AvesEntry {
     return _bestTitle;
   }
 
-  CatalogMetadata? get catalogMetadata => _catalogMetadata;
+  int? get catalogDateMillis => _catalogDateMillis;
 
   set catalogDateMillis(int? dateMillis) {
     _catalogDateMillis = dateMillis;
     _bestDate = null;
   }
 
+  CatalogMetadata? get catalogMetadata => _catalogMetadata;
+
   set catalogMetadata(CatalogMetadata? newMetadata) {
     final oldDateModifiedSecs = dateModifiedSecs;
     final oldRotationDegrees = rotationDegrees;

lib/model/source/collection_source.dart

@@ -105,7 +105,9 @@ abstract class CollectionSource with SourceBase, AlbumMixin, LocationMixin, TagM
       _rawEntries.removeWhere((entry) => newContentIds.contains(entry.contentId));
     }
 
-    entries.forEach((entry) => entry.catalogDateMillis = _savedDates[entry.contentId]);
+    entries.where((entry) => entry.catalogDateMillis == null).forEach((entry) {
+      entry.catalogDateMillis = _savedDates[entry.contentId];
+    });
 
     _entryById.addAll(newIdMapEntries);
     _rawEntries.addAll(entries);
@@ -246,6 +248,8 @@ abstract class CollectionSource with SourceBase, AlbumMixin, LocationMixin, TagM
             title: newFields['title'] as String?,
             dateModifiedSecs: newFields['dateModifiedSecs'] as int?,
           ));
+        } else {
+          debugPrint('failed to find source entry with uri=$sourceUri');
         }
       });
       await metadataDb.saveEntries(movedEntries);

lib/widgets/viewer/debug/debug_page.dart

@@ -5,6 +5,7 @@ import 'package:aves/theme/icons.dart';
 import 'package:aves/widgets/viewer/debug/db.dart';
 import 'package:aves/widgets/viewer/debug/metadata.dart';
 import 'package:aves/widgets/viewer/info/common.dart';
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import 'package:tuple/tuple.dart';
@@ -59,6 +60,7 @@ class ViewerDebugPage extends StatelessWidget {
       children: [
         InfoRowGroup(
           info: {
+            'hash': '#${shortHash(entry)}',
             'uri': entry.uri,
             'contentId': '${entry.contentId}',
             'path': entry.path ?? '',
@@ -74,6 +76,7 @@ class ViewerDebugPage extends StatelessWidget {
         const Divider(),
         InfoRowGroup(
           info: {
+            'catalogDateMillis': toDateValue(entry.catalogDateMillis),
             'dateModifiedSecs': toDateValue(entry.dateModifiedSecs, factor: 1000),
             'sourceDateTakenMillis': toDateValue(entry.sourceDateTakenMillis),
             'bestDate': '${entry.bestDate}',