Fix V3066 warnings from PVS-Studio Static Analyzer

[spirifoxy]

I'm a member of the Pinguem.ru competition on finding errors in open source projects. A bug found using PVS-Studio. Warnings: V3066 Possible incorrect order of arguments passed to 'IsAlive' method: 'defender' and 'attacker'. Fight2.cs 117 V3066 Possible incorrect order of arguments passed to 'StartFight' method: 'defender' and 'attacker'. Fight2.cs 126 V3066 Possible incorrect order of arguments passed to 'HitTarget' method: 'defender' and 'attacker'. Fight2.cs 165 V3066 Possible incorrect order of arguments passed to 'updateRoom' method: 'oldRoomData' and 'newRoomData'. PlayerManager.cs 26 V3066 Possible incorrect order of arguments passed to 'updateRoom' method: 'oldRoomData' and 'newRoomData'. PlayerManager.cs 56 V3066 Possible incorrect order of arguments passed to 'updateRoom' method: 'oldRoomData' and 'newRoomData'. PlayerManager.cs 71