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/base_asset.model.dart

@@ -9,6 +9,12 @@ enum AssetType {
   audio,
 }
 
+enum AssetState {
+  local,
+  remote,
+  merged,
+}
+
 sealed class BaseAsset {
   final String name;
   final String? checksum;
@@ -32,6 +38,10 @@ sealed class BaseAsset {
     this.isFavorite = false,
   });
 
+  bool get isImage => type == AssetType.image;
+  bool get isVideo => type == AssetType.video;
+  AssetState get storage;
+
   @override
   String toString() {
     return '''BaseAsset {