Activating comments with 'disqus' breaks html template

[AAriam]

Describe the bug

When the html theme has its own sidebars, pages that use blog sidebars and comments together do no display correctly.

To Reproduce

Docs directory structure (generated by sphinx-quickstart):

docs/
├── build/
├── source/
│   ├── conf.py
│   ├── index.rst
│   ├── test.rst
│   └── blog.rst
├── make.bat
└── Makefile

conf.py:

project = 'Test'
extensions = ['ablog','sphinx.ext.intersphinx']
html_theme = 'pydata_sphinx_theme'
html_sidebars = {
    "blog": [
        'ablog/postcard.html',
        'ablog/recentposts.html',
        'ablog/tagcloud.html',
        'ablog/categories.html',
        'ablog/archives.html',
    ]
}
blog_baseurl: str = "https://my-documentation-website.com"
disqus_shortname: str = "my_disqus_id"

index.rst

Homepage
========

.. toctree::
   test

test.rst

Test Page
=========

.. toctree::

   blog

blog.rst

:blogpost: true
:date: May 17, 2023


Test post
=========

This is a blog post.

Screenshots

test.html

Displays correctly:

blog.html

Displays incorrectly:

System Details

ablog 0.11.4.post1
pydata-sphinx-theme 0.13.3
sphinx 6.2.1
python 3.11.3
MacOS 12.6

Installation method

conda