loan mentioned details not able to view fix

In this request for loan charges pay and waive charge functionality is added, repayment schedule table is altered w.r.to reference ui, group/center when status is pending then in view group/center not appropriate color is displayed is fixed, if loan officer is already assigned to loan, then `assign loan officer' button is appearing is fixed, and in edit loan account if it has charge already applied, if we delete that charge and save also not updating is fixed.