LibraryManagerOnlineLicenseVerify Method

When the result in the registry is empty, it needs to be read from the remote server.
When the result in the registry is not empty, it is first verified locally.
Then, the remote content is read during the program execution.
If the remote content is different from the local content, the local content will be updated.
Otherwise, it will be not updated.

public static ErrorCode OnlineLicenseVerify(
	string onlineLicense
)