Fix visual-replays not processing turn 0 commands.
Use FinishedOwnCommands, which is intented to plan commands for the N+2 turn, but can be used to run commands immediately by the replay manager, and unlike FinishedUpdate is called before the first update.
Reported by: Freagarach
Fixes #5546
Differential Revision: https://code.wildfiregames.com/D3067