Move UnwrapOmittable in a dedicated helper

Signed-off-by: Bryan Frimin <bryan@getprobo.com>

pkg/server/api/connect/v1/resolver.go

@@ -19,7 +19,6 @@ package connect_v1
 import (
 	"time"
 
-	"github.com/99designs/gqlgen/graphql"
 	"github.com/go-chi/chi/v5"
 	"go.gearno.de/kit/log"
 	"go.probo.inc/probo/pkg/baseurl"
@@ -66,11 +65,3 @@ func NewMux(logger *log.Logger, svc *iam.Service, cookieConfig securecookie.Conf
 
 	return r
 }
-
-func UnwrapOmittable[T any](field graphql.Omittable[T]) *T {
-	if !field.IsSet() {
-		return nil
-	}
-	value := field.Value()
-	return &value
-}