10.3 upgrade now missing status-message theme suggestions

Problem/Motivation

Upgraded to 10.3 and status-message.html.twig is missing as a theme suggestion, breaking my custom theme. See screenshots.

Steps to reproduce

Copied git bisect result from #24

2172d1009cec0e8f908a51fb2c99a1eb06b8b6da is the first bad commit
commit 2172d1009cec0e8f908a51fb2c99a1eb06b8b6da
Author: Alex Pott <alex.a.pott@googlemail.com>
Date:   Thu Feb 22 08:52:28 2024 +0000

    Issue #3379885 by catch, Wim Leers: Use MessagesCommand in BigPipe to remove special casing of the messages placeholder
    
    (cherry picked from commit 44c345dd9b8e2e1fb7131868a5d8b27c57e5b8e3)

 core/modules/big_pipe/big_pipe.services.yml        |  2 +-
 core/modules/big_pipe/src/Render/BigPipe.php       | 79 +++++-----------------
 .../big_pipe/tests/src/Functional/BigPipeTest.php  |  8 +--
 .../FunctionalJavascript/BigPipeRegressionTest.php |  9 ++-
 .../tests/src/Unit/Render/FiberPlaceholderTest.php |  4 +-
 .../tests/src/Unit/Render/ManyPlaceholderTest.php  |  4 +-
 6 files changed, 32 insertions(+), 74 deletions(-)

Issue: #3379885: Use MessagesCommand in BigPipe to remove special casing of the messages placeholder

First bad commit: 2172d1009cec0e8f908a51fb2c99a1eb06b8b6da

Bad commit at the relevant file: core/modules/big_pipe/src/Render/BigPipe.php

Proposed resolution