refactor(query): use new packages for org by id query (#7826)

If the feature is enabled the new packages are used to query org by id

Part of: https://github.com/zitadel/zitadel/issues/7639

### Definition of Ready

- [x] I am happy with the code
- [x] Short description of the feature/issue is added in the pr
description
- [x] PR is linked to the corresponding user story
- [ ] Acceptance criteria are met
- [ ] All open todos and follow ups are defined in a new ticket and
justified
- [ ] Deviations from the acceptance criteria and design are agreed with
the PO and documented.
- [x] No debug or dead code
- [x] My code has no repetitions
- [ ] Critical parts are tested automatically
- [ ] Where possible E2E tests are implemented
- [ ] Documentation/examples are up-to-date
- [ ] All non-functional requirements are met
- [x] Functionality of the acceptance criteria is checked manually on
the dev system.

internal/v2/readmodel/query.go

@@ -0,0 +1,15 @@
+package readmodel
+
+import (
+	"database/sql"
+
+	"github.com/zitadel/zitadel/internal/v2/eventstore"
+)
+
+type QueryOpt func(opts []eventstore.QueryOpt) []eventstore.QueryOpt
+
+func WithTx(tx *sql.Tx) QueryOpt {
+	return func(opts []eventstore.QueryOpt) []eventstore.QueryOpt {
+		return append(opts, eventstore.SetQueryTx(tx))
+	}
+}