Summary:
To guarantee same lock order for system catalog objects we acquire locks for objects of the same type in the order of their ids.
CreateNamespace does not follow this pattern.
It leads to potential deadlock.

Fixed by creating tables when copying namespace in the order of their ids.
Jira: DB-15497

Test Plan: ./yb_build.sh tsan --gtest_filter PgDdlAtomicityTest.TestDatabaseGC -n 40

Reviewers: zdrudi

Reviewed By: zdrudi

Subscribers: ybase

Tags: #jenkins-ready

Differential Revision: https://phorge.dev.yugabyte.com/D42323