thumbhash render box

mobile/lib/presentation/widgets/images/thumbnail.widget.dart

@@ -1,7 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:immich_mobile/domain/models/asset/base_asset.model.dart';
 import 'package:immich_mobile/presentation/widgets/images/image_provider.dart';
-import 'package:immich_mobile/widgets/asset_grid/thumbnail_placeholder.dart';
 import 'package:immich_mobile/widgets/common/thumbhash.dart';
 import 'package:logging/logging.dart';
 import 'package:octo_image/octo_image.dart';
@@ -55,9 +54,7 @@ OctoPlaceholderBuilder _blurHashPlaceholderBuilder(
   String? thumbHash, {
   BoxFit? fit,
 }) {
-  return (context) => thumbHash == null
-      ? const ThumbnailPlaceholder()
-      : Thumbhash(blurhash: thumbHash, fit: fit ?? BoxFit.cover);
+  return (context) => Thumbhash(blurhash: thumbHash, fit: fit ?? BoxFit.cover);
 }
 
 OctoErrorBuilder _blurHashErrorBuilder(

mobile/lib/presentation/widgets/memory/memory_card.widget.dart

@@ -120,12 +120,7 @@ class _BlurredBackdrop extends HookWidget {
     final blurhash = asset.thumbHash;
     if (blurhash != null) {
       // Use a nice cheap blur hash image decoration
-      return Stack(
-        children: [
-          const ColoredBox(color: Color.fromRGBO(0, 0, 0, 0.2)),
-          Thumbhash(blurhash: blurhash, fit: BoxFit.cover),
-        ],
-      );
+      return Thumbhash(blurhash: blurhash, fit: BoxFit.cover);
     }
 
     // Fall back to using a more expensive image filtered