Minimap doesn't display resources in observer view

If I start observing a game with “all map revealed”, then later toggle it to the vision of one specific player, all the resource nodes in the fog of war that were scouted by that player won’t be displayed on the minimap. For example, look at the minimap at this point in time here (32 minutes and 59 seconds):

Thank you @Trader2519! The team is aware and looking in to this one.