Add: [GS] Allow to set max loan for each company separately (#11224)

src/economy.cpp

@@ -572,7 +572,7 @@ static void CompanyCheckBankrupt(Company *c)
 	if (_settings_game.difficulty.infinite_money) return;
 
 	/*  If the company has money again, it does not go bankrupt */
-	if (c->money - c->current_loan >= -_economy.max_loan) {
+	if (c->money - c->current_loan >= -c->GetMaxLoan()) {
 		int previous_months_of_bankruptcy = CeilDiv(c->months_of_bankruptcy, 3);
 		c->months_of_bankruptcy = 0;
 		c->bankrupt_asked = 0;