feat(server): read-write external assets (#9235)

* refactor: remove isReadOnly and isExternal usages

* chore: open api

* fix: linting

* remove mobile isReadOnly dependency

---------

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

server/src/services/metadata.service.ts

@@ -440,7 +440,6 @@ export class MetadataService {
           originalPath: motionPath,
           originalFileName: asset.originalFileName,
           isVisible: false,
-          isReadOnly: false,
           deviceAssetId: 'NONE',
           deviceId: 'NONE',
         });