fix: use local time for time buckets and improve memories (#4072)

* fix: timezone bucket timezones

* chore: open api

* fix: interpret local time in utc

* fix: tests

* fix: refactor memory lane

* fix(web): use local date in memory viewer

* chore: set localDateTime non-null

* fix: filter out memories from the current year

* wip: move localDateTime to asset

* fix: correct sorting from db

* fix: migration

* fix: web typo

* fix: formatting

* fix: e2e

* chore: localDateTime is non-null

* chore: more non-nulliness

* fix: asset stub

* fix: tests

* fix: use extract and index for day of year

* fix: don't show memories before today

* fix: cleanup

* fix: tests

* fix: only use localtime for tz

* fix: display memories in client timezone

* fix: tests

* fix: svelte tests

* fix: bugs

* chore: open api

---------

Co-authored-by: Jonathan Jogenfors <jonathan@jogenfors.se>

mobile/openapi/test/asset_api_test.dart

@@ -107,7 +107,7 @@ void main() {
       // TODO
     });
 
-    //Future<List<MemoryLaneResponseDto>> getMemoryLane(DateTime timestamp) async
+    //Future<List<MemoryLaneResponseDto>> getMemoryLane(int day, int month) async
     test('test getMemoryLane', () async {
       // TODO
     });

mobile/openapi/test/asset_response_dto_test.dart

@@ -92,6 +92,11 @@ void main() {
       // TODO
     });
 
+    // DateTime localDateTime
+    test('to test the property `localDateTime`', () async {
+      // TODO
+    });
+
     // String originalFileName
     test('to test the property `originalFileName`', () async {
       // TODO