choice tie-break and random fallback + exception cleanup + war<->camp pid

src/warchron/controller/war_controller.py

@@ -10,7 +10,7 @@ from warchron.constants import (
 )
 from warchron.model.exception import (
     DomainError,
-    ForbiddenOperation,
+    AbortedOperation,
     RequiresConfirmation,
 )
 
@@ -190,7 +190,7 @@ class WarController:
                 )
             if not dialog.exec():
                 TieResolver.cancel_tie_break(war, ctx)
-                raise ForbiddenOperation("Tie resolution cancelled")
+                raise AbortedOperation("Tie resolution cancelled")
             bids_map[ctx.key()] = dialog.get_bids()
         return bids_map