Yeah it would be an absolute PR coup for Russia.
Which is why it won't be done lmao. Russian government is pretty shit at this kind of PR. Plus there would be a concern over SBU fucks sneaking in, AFAIK already were cases.
Plus, given how Russian government treats Russian "immigrants" from former republics (as in, Russian nationals who were living in USSR and wanted to "repatriate" after 1991). Let's just say I wouldn't get my hopes up