merge method
Merge Options.
this is default, other
is user defined.
Implementation
@override
FileUploadOptions merge(FileUploadOptions? other) => FileUploadOptions(
createBucket: other?.createBucket ?? createBucket,
contentType: other?.contentType ?? contentType,
onProgress: other?.onProgress ?? onProgress,
isPublic: other?.isPublic ?? isPublic,
tags: other?.tags ?? tags);