feat: Use V2 API's in Console (#9312)

# Which Problems Are Solved
Solves #8976

# Additional Changes
I have done some intensive refactorings and we are using the new
@zitadel/client package for GRPC access.

# Additional Context
- Closes #8976

---------

Co-authored-by: Max Peintner <peintnerm@gmail.com>

internal/query/instance_features.go

@@ -23,6 +23,7 @@ type InstanceFeatures struct {
 	EnableBackChannelLogout         FeatureSource[bool]
 	LoginV2                         FeatureSource[*feature.LoginV2]
 	PermissionCheckV2               FeatureSource[bool]
+	ConsoleUseV2UserApi             FeatureSource[bool]
 }
 
 func (q *Queries) GetInstanceFeatures(ctx context.Context, cascade bool) (_ *InstanceFeatures, err error) {