refactor(server): calculate asset type server side (#3200)

* refactor(server): calculate asset type server-side

* chore: open api

* chore: remove comments

* fix: linting

* update

* Revert "update"

This reverts commit dc58702923.

* fix: upload LivePhotos

* chore: remove unused request fields for upload

* remove unused method

* mobile-fix: livePhoto filename

* fix: revert check for livephotos filename and extension

---------

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

mobile/openapi/doc/ImportAssetDto.md

@@ -8,7 +8,6 @@ import 'package:openapi/api.dart';
 ## Properties
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
-**assetType** | [**AssetTypeEnum**](AssetTypeEnum.md) |  | 
 **isReadOnly** | **bool** |  | [optional] [default to true]
 **assetPath** | **String** |  | 
 **sidecarPath** | **String** |  | [optional]