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/timeline.model.dart

@@ -0,0 +1,40 @@
+enum GroupAssetsBy {
+  day,
+  month,
+  none;
+}
+
+enum HeaderType {
+  none,
+  month,
+  day,
+  monthAndDay;
+}
+
+class Bucket {
+  final int assetCount;
+
+  const Bucket({required this.assetCount});
+
+  @override
+  bool operator ==(covariant Bucket other) {
+    return assetCount == other.assetCount;
+  }
+
+  @override
+  int get hashCode => assetCount.hashCode;
+}
+
+class TimeBucket extends Bucket {
+  final DateTime date;
+
+  const TimeBucket({required this.date, required super.assetCount});
+
+  @override
+  bool operator ==(covariant TimeBucket other) {
+    return super == other && date == other.date;
+  }
+
+  @override
+  int get hashCode => super.hashCode ^ date.hashCode;
+}