🐛 fix: OIDC error when connecting to self-host instance (#9916)

fix: oidc/consent redirect header
(cherry picked from commit 2e2b9c4c88)

src/app/(backend)/oidc/consent/route.ts

@@ -122,7 +122,6 @@ export async function POST(request: NextRequest) {
     }
 
     return NextResponse.redirect(finalRedirectUrl, {
-      headers: request.headers,
       status: 303,
     });
   } catch (error) {