feat: handle downgrade install

web/app/components/plugins/update-plugin/downgrade-warning-modal.tsx

@@ -1,37 +0,0 @@
-import { useTranslation } from 'react-i18next'
-import Modal from '@/app/components/base/modal'
-import Button from '@/app/components/base/button'
-
-type Props = {
-  onCancel: () => void
-  onSave: () => void
-  confirmDisabled?: boolean
-}
-const DowngradeWarningModal = ({
-  onCancel,
-  onSave,
-  confirmDisabled = false,
-}: Props) => {
-  const { t } = useTranslation()
-
-  return (
-    <Modal
-      isShow
-      onClose={() => onCancel()}
-      className='w-[480px]'
-    >
-      <div className='flex flex-col items-start gap-2 self-stretch pb-4'>
-        <div className='title-2xl-semi-bold text-text-primary'>Plugin Downgrade</div>
-        <div className='system-md-regular flex grow flex-col text-text-secondary'>
-        Auto-update is currently enabled for this plugin. Downgrading the version may cause your changes to be overwritten during the next automatic update.
-        </div>
-      </div>
-      <div className='flex items-start justify-end gap-2 self-stretch pt-6'>
-        <Button variant='secondary' onClick={() => onCancel()}>{t('app.newApp.Cancel')}</Button>
-        <Button variant='primary' destructive onClick={onSave} disabled={confirmDisabled}>{t('app.newApp.Confirm')}</Button>
-      </div>
-    </Modal>
-  )
-}
-
-export default DowngradeWarningModal