feat(mobile): sqlite timeline (#19197)

* wip: timeline

* more segment extensions

* added scrubber

* refactor: timeline state

* more refactors

* fix scrubber segments

* added remote thumb & thumbhash provider

* feat: merged view

* scrub / merged asset fixes

* rename stuff & add tile indicators

* fix local album timeline query

* ignore hidden assets during sync

* ignore recovered assets during sync

* old scrubber

* add video indicator

* handle groupBy

* handle partner inTimeline

* show duration

* reduce widget nesting in thumb tile

* merge main

* chore: extend cacheExtent

* ignore touch events on scrub label when not visible

* scrub label ignore events and hide immediately

* auto reload on sync

* refactor image providers

* throttle db updates

---------

Co-authored-by: shenlong-tanwen <139912620+shalong-tanwen@users.noreply.github.com>
Co-authored-by: Alex Tran <alex.tran1502@gmail.com>

mobile/lib/domain/models/asset/asset.model.dart

@@ -11,6 +11,7 @@ enum AssetVisibility {
 class Asset extends BaseAsset {
   final String id;
   final String? localId;
+  final String? thumbHash;
   final AssetVisibility visibility;
 
   const Asset({
@@ -25,9 +26,14 @@ class Asset extends BaseAsset {
     super.height,
     super.durationInSeconds,
     super.isFavorite = false,
+    this.thumbHash,
     this.visibility = AssetVisibility.timeline,
   });
 
+  @override
+  AssetState get storage =>
+      localId == null ? AssetState.remote : AssetState.merged;
+
   @override
   String toString() {
     return '''Asset {
@@ -41,6 +47,7 @@ class Asset extends BaseAsset {
    durationInSeconds: ${durationInSeconds ?? "<NA>"},
    localId: ${localId ?? "<NA>"},
    isFavorite: $isFavorite,
+    thumbHash: ${thumbHash ?? "<NA>"},
     visibility: $visibility,
  }''';
   }
@@ -52,10 +59,15 @@ class Asset extends BaseAsset {
     return super == other &&
         id == other.id &&
         localId == other.localId &&
+        thumbHash == other.thumbHash &&
         visibility == other.visibility;
   }
 
   @override
   int get hashCode =>
-      super.hashCode ^ id.hashCode ^ localId.hashCode ^ visibility.hashCode;
+      super.hashCode ^
+      id.hashCode ^
+      localId.hashCode ^
+      thumbHash.hashCode ^
+      visibility.hashCode;
 }