revert some changes

src/components/Connection/PartnerConnectModal/GrdfConnectModal.tsx

 import { Button, Dialog, IconButton } from '@material-ui/core'
 import CloseIcon from 'assets/icons/ico/close.svg'
 import StyledIcon from 'components/CommonKit/Icon/StyledIcon'
-import { useClient } from 'cozy-client'
 import { useI18n } from 'cozy-ui/transpiled/react/I18n'
-import { FluidType } from 'enums'
-import { Konnector } from 'models'
 import React, { useEffect, useState } from 'react'
-import { useAppDispatch, useAppSelector } from 'store/hooks'
 import './PartnerConnectModal.scss'
 import { StepContent } from './StepContent.interface'
 import GrdfCreateAccount from './Steps/GrdfCreateAccount'
@@ -37,13 +33,7 @@ const GrdfConnectModal = ({
   handleSuccess,
 }: GrdfConnectModalProps) => {
   const { t } = useI18n()
-  const client = useClient()
-  const dispatch = useAppDispatch()
-  const { fluidStatus } = useAppSelector(state => state.ecolyo.global)
   const [currentStep, setCurrentStep] = useState(StepEnum.DoYouHaveAccount)
-  const [launchModal, setLaunchModal] = useState(false)
-  const currentFluidStatus = fluidStatus[FluidType.GAS]
-  const konnector: Konnector | null = currentFluidStatus.connection.konnector
 
   useEffect(() => {
     if (open) {

src/components/Connection/PartnerConnectModal/Steps/GrdfFormOAuth.tsx

 import Button from '@material-ui/core/Button'
 import { useClient } from 'cozy-client'
+import { OAuthWindow } from 'cozy-harvest-lib/dist/components/OAuthWindow'
 import { useI18n } from 'cozy-ui/transpiled/react/I18n'
 import { FluidType } from 'enums'
 import { Konnector } from 'models'
@@ -40,7 +41,7 @@ const GrdfFormOAuth = ({
   useEffect(() => {
     if (shouldRefreshConsent) {
       // If user has selected accept button on Expired consent modal, his account has been deleted on KonnectorViewerCard, such as his consent (for GRDF), then automatically launch oauth connection flow
-      setStatus(WAITING)
+      setStatus('waiting')
     }
   }, [shouldRefreshConsent])
 
@@ -52,7 +53,7 @@ const GrdfFormOAuth = ({
     <>
       <Button
         aria-label={t('auth.accessibility.button_connect')}
-        onClick={() => setStatus(WAITING)}
+        onClick={() => setStatus('waiting')}
         disabled={isWaiting}
         className="btnPrimary"
       >
@@ -60,6 +61,16 @@ const GrdfFormOAuth = ({
           ? t('auth.connect_oauth.loading')
           : t('auth.button_validate')}
       </Button>
+      {isWaiting && (
+        <OAuthWindow
+          client={client}
+          konnector={konnector}
+          redirectSlug={client.appMetadata.slug}
+          onSuccess={handleAccountId}
+          onCancel={endOAuth}
+          t={t}
+        />
+      )}
     </>
   )
 }