Safe parse h/w from public magicMetadata

mobile/lib/models/metadata/file_magic.dart

@@ -1,5 +1,6 @@
 import "dart:convert";
 
+import "package:flutter/cupertino.dart";
 import 'package:photos/models/metadata/common_keys.dart';
 
 const editTimeKey = 'editedTime';
@@ -88,8 +89,8 @@ class PubMagicMetadata {
       editedName: map[editNameKey],
       caption: map[captionKey],
       uploaderName: map[uploaderNameKey],
-      w: map[widthKey],
-      h: map[heightKey],
+      w: safeParseInt(map[widthKey], widthKey),
+      h: safeParseInt(map[heightKey], heightKey),
       lat: map[latKey],
       long: map[longKey],
       mvi: map[motionVideoIndexKey],
@@ -97,4 +98,12 @@ class PubMagicMetadata {
       mediaType: map[mediaTypeKey],
     );
   }
+
+  static int? safeParseInt(dynamic value, String key) {
+    if (value == null) return null;
+    if (value is int) return value;
+    debugPrint("PubMagicMetadata key: $key Unexpected value: $value");
+    if (value is String) return int.tryParse(value);
+    return null;
+  }
 }