fix: add details to ListUsers for user results (#8255)

# Which Problems Are Solved

In User v2 API, the ListUsers endpoint doesn't provide the information
to which organization the user belongs to.

# How the Problems Are Solved

Add the details to the user results from the ListUsers endpoint, so that
the OrgID is also included as ResourceOwner.

# Additional Changes
 
None

# Additional Context

Closes #8172

proto/zitadel/user/v2beta/user.proto

@@ -183,6 +183,7 @@ message User {
       example: "\"d654e6ba-70a3-48ef-a95d-37c8d8a7901a\"";
     }
   ];
+  zitadel.object.v2beta.Details details = 8;
   UserState state = 2 [
     (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_field) = {
       description: "current state of the user";

proto/zitadel/user/v2beta/user_service.proto

@@ -989,6 +989,7 @@ message GetUserByIDRequest {
 }
 
 message GetUserByIDResponse {
+  //deprecated: details is moved into user
   zitadel.object.v2beta.Details details = 1;
   zitadel.user.v2beta.User user = 2;
 }