this.mockupService.create(installment, 'installments').then(() => {         //dodanie stworzonej raty
                const installmentControl = new FormControl({ installmentId: index });   //stworzenie id raty
                control.setControl(i, installmentControl);                      //dodanie id raty do listy rat umowy
                index++;
                this.getInstallments();
                console.log(this.installments);
            });