fix(server): proper asset sync (#10019)

* fix(server,mobile): proper asset sync

* fix CI issues

* only use id instead of createdAt+id

* remove createdAt index

* fix typo

* cleanup createdAt usage

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Co-authored-by: Alex Tran <alex.tran1502@gmail.com>

server/src/dtos/sync.dto.ts

@@ -7,9 +7,6 @@ export class AssetFullSyncDto {
   @ValidateUUID({ optional: true })
   lastId?: string;
 
-  @ValidateDate({ optional: true })
-  lastCreationDate?: Date;
-
   @ValidateDate()
   updatedUntil!: Date;