fix: remove fleet when deleting last group

internal/controller/controller_export_test.go

@@ -22,7 +22,7 @@ func (c *Cache) CreateShips(ri int, shipTypeName string, planetNumber uint, quan
 		return e.NewEntityNotOwnedError("planet #%d", planetNumber)
 	}
 
-	c.createShipsUnsafe(ri, class.ID, p.Number, uint(quantity))
+	c.unsafeCreateShips(ri, class.ID, p.Number, uint(quantity))
 
 	return nil
 }
@@ -137,7 +137,7 @@ func VotingWinners(calc []*VoteGroup, gameVotes float64) []int {
 }
 
 func (c *Cache) CreateShipsUnsafe_T(ri int, classID uuid.UUID, planet uint, quantity uint) {
-	c.createShipsUnsafe(ri, classID, planet, quantity)
+	c.unsafeCreateShips(ri, classID, planet, quantity)
 }
 
 func (c *Cache) WipeRace(ri int) {