Exactly the thing you have indicated will happen as it seems. Because there was a recent comment on this by Mbappe. He seems likely to wait until the end of the season. Besides according to his statement maybe there could be a chance for him to move on with PSG as well which would make me really disappointed about his future though.
Because I believe he should leave for Real Madrid or another competitive team for the Champions League title. He can be given whatever amount of money he would like to earn. Money wouldn't be a problem as a result. But I don't think he can win any Champions League title with PSG.
If you look at how much Mbappe earns, then you can assume that money should not be of much importance to him, but his agent, and this is his mother, runs the show and it seems that she has a very big influence on the decisions that Mbappe makes, so in this case the money are one of the most important elements in the transaction.Because I believe he should leave for Real Madrid or another competitive team for the Champions League title. He can be given whatever amount of money he would like to earn. Money wouldn't be a problem as a result. But I don't think he can win any Champions League title with PSG.
Of course, like any footballer, he wants to win the most important trophies, including the Champions League. Is it possible to do this with PSG, maybe it’s possible, I don’t think that PSG no longer wants to achieve this goal, and someday it will happen, but there are other clubs where it will be easier to do this, most likely, such a club will choose Mbappe.