Add a call to add_js_files (sphinxcontrib.query) (#1448)

* Add a call to add_js_files since it doesn't happen when loading extension from theme sphinx-contrib/jquery#23

* Avoid importing from sphinxcontrib.jquery in __init__

* Add reference to issue

sphinx_rtd_theme/__init__.py

@@ -58,6 +58,10 @@ def setup(app):
         # enabled at most once.
         # See: https://www.sphinx-doc.org/en/master/extdev/appapi.html#sphinx.application.Sphinx.setup_extension
         app.setup_extension("sphinxcontrib.jquery")
+        # However, we need to call the extension's callback since setup_extension doesn't do it
+        # See: https://github.com/sphinx-contrib/jquery/issues/23
+        from sphinxcontrib.jquery import add_js_files as jquery_add_js_files
+        jquery_add_js_files(app, app.config)
 
     # Register the theme that can be referenced without adding a theme path
     app.add_html_theme('sphinx_rtd_theme', path.abspath(path.dirname(__file__)))