Exclude Spectator faction from FactionRepeater

This should fix the issues with extra missions generating (and often causing errors) due to the game trying to generate them for the Spectator faction.

Source/Client/Factions/FactionRepeater.cs

@@ -13,9 +13,13 @@ public static bool Template<T>(IDictionary<int, T> factionIdToData, Action<T> da
         {
             if (Multiplayer.Client == null || ignore) return true;
 
+            var spectatorId = Multiplayer.WorldComp.spectatorFaction.loadID;
             ignore = true;
             foreach (var (id, data) in factionIdToData)
             {
+                if (id == spectatorId)
+                    continue;
+
                 map.PushFaction(id);
                 try
                 {