Merge branch 'hotfix/3.0.5'
Add an empty line after the `INSTALL SCRIPT STOP` marker
Store whether a module is enabled or not in the `autoload.ini` file
Add the `ModuleLoader` class
Add the autoloader files to the internal cache
Also cache the `config.php` files
Make `Config::get()` static (see #3135)
Correctly reset fallback, default and "do not copy" fields (see #5252)
Correctly reset fallback, default and "do not copy" fields (see #5252)
Do not override the header and footer height in the layout builder (see #5368)
Only render the previous and next links if there are events (see #5426)
Remove a duplicate request parameter in the event reader module (see #5382)
Do not show `mail_` templates from theme folders (see #5379)
Pass the model instead of the collection to `getArticle()` and `getContentElement()`
Show all articles if the article list module is in the same column (see #5373)
Remove the leading line-break from the `autoload.ini` files
Update the `music_academy.sql` file
Do not store the module status in the `autoload.ini` file
Only apply the CSS class "mandatory" if a field is empty (follow up on #4730)
Make the slider CSS more markup agnostic (see #4600)