Merge branch 'hotfix/3.0.1'
The numeric file mounts of a user were overridden by the real paths (see #5083)
Consider the sorting order of external style sheets (see #5038)
The news archive model might be empty in the news module (see #5048)
fixed empty headlines in faq page front end module
Merged the latest hotfix/2.11.8 changes
Allow for-Attribute for Select-Menu

The label for Select-Menus in forms didn't have a for-attribute.
Prevent oversizing of colorbox lightbox.
Corrected the main column margin when using the layout builder in combination with the responsive grid (see #5170)
Ignore jQuery event binding if the element does not support binding
Scan templates in the autoload creator even if there are no classes (see #5158)
Merge pull request #5163 from Discordier/issue-5152
Consider the dynamic ptable when copying/deleting content elements (see #5041)
The table content element did not assign the correct CSS class names when there was only one row and one column (see #5140)
Merge pull request #5127 from madeyourday/fix/faq-page-headlines
Return an integer in `Model::countBy()` instead of a string (see #5110)
Handle incorrectly closed indexer comments (see #5119)
Do not create content elements for news and events which redirect to articles, pages or external URLs during the version 3 update (fixes #5117)
Do not cache the `system/cron/cron.txt` file (fixes #5105)
Purge the internal cache after a module has been (de)activated (fixes #5016)