Update warning modal header

apps/app/src/components/Admin/UserGroupDetail/UpdateParentConfirmModal.tsx

@@ -27,7 +27,7 @@ export const UpdateParentConfirmModal: FC = () => {
 
   return (
     <Modal className="modal-md" isOpen={isOpened} toggle={closeModal}>
-      <ModalHeader tag="h4" toggle={closeModal} className="bg-warning text-light">
+      <ModalHeader tag="h4" toggle={closeModal} className="text-warning">
         <span className="material-symbols-outlined">warning</span> {t('admin:user_group_management.update_parent_confirm_modal.header')}
       </ModalHeader>
       {

apps/app/src/components/Admin/Users/PasswordResetModal.jsx

@@ -187,7 +187,7 @@ class PasswordResetModal extends React.Component {
 
     return (
       <Modal isOpen={this.props.isOpen} toggle={this.props.onClose}>
-        <ModalHeader tag="h4" toggle={this.props.onClose} className="bg-warning text-light">
+        <ModalHeader tag="h4" toggle={this.props.onClose} className="text-warning">
           {t('user_management.reset_password') }
         </ModalHeader>
         <ModalBody>