Do not perform fast exit for catalog pages in redo filter

[knizhnik]

Problem

See #6674

Current implementation of neon_redo_read_buffer_filter performs fast exist for catalog pages:

       /*
        * Out of an abundance of caution, we always run redo on shared catalogs,
        * regardless of whether the block is stored in shared buffers. See also
        * this function's top comment.
        */
       if (!OidIsValid(NInfoGetDbOid(rinfo)))
               return false;
*/

as a result last written lsn and relation size for FSM fork are not correctly updated for catalog relations.

## Summary of changes

Do not perform fast path return for catalog relations.

## Checklist before requesting a review

- [ ] I have performed a self-review of my code.
- [ ] If it is a core feature, I have added thorough tests.
- [ ] Do we need to implement analytics? if so did you add the relevant metrics to the dashboard?
- [ ] If this PR requires public announcement, mark it with /release-notes label and add several sentences in this section.

## Checklist before merging

- [ ] Do not forget to reformat commit message to not include the above checklist

[github-actions]

2430 tests run: 2318 passed, 0 failed, 112 skipped (full report)

---

Flaky tests (2)

Postgres 15

• test_pg_regress[4]: debug
• test_empty_tenant_size: debug

Code coverage (full report)

• functions: 54.9% (11884 of 21653 functions)
• lines: 82.1% (66243 of 80716 lines)

---

_{The comment gets automatically updated with the latest test results
c639aa5 at 2024-02-12T20:34:43.386Z :recycle:}

[hlinnaka]

I don't understand what the problem was. Can you walk me through the problem? Can you write a test case, please?

[knizhnik]

Sorry, the problem is explained in description of this PR.
It can be reproduced using this test:

import time
from fixtures.log_helper import log
from fixtures.neon_fixtures import Endpoint, NeonEnv, wait_replica_caughtup


def test_cresatedb_repl(neon_simple_env: NeonEnv):
    env = neon_simple_env

    with env.endpoints.create_start(
        branch_name="main",
        endpoint_id="primary",
    ) as primary:
        time.sleep(1)
        with env.endpoints.new_replica_start(origin=primary, endpoint_id="secondary") as secondary:
            with primary.cursor() as p_cur:
                p_cur.execute("CREATE DATABASE empty")
            with primary.cursor(dbname="empty") as p_cur:
                 p_cur.execute("alter database empty set timezone to 'Australia/Sydney'")
            wait_replica_caughtup(primary, secondary)
            with secondary.cursor(dbname="empty") as s_cur:
                s_cur.execute("select count(*) from pg_class")

Can I add it to PR #6705 (which fix function wait_replica_caughtup and moves it to fixtures)?