Merge branch 'hotfix/3.2.15' into support/3.2
Send a 301 redirect to forward to the language root page (see #7420)
Correctly handle 0 in utf8_convert_encoding() (see #7403)
Correctly handle archives being part of multiple RSS feeds (see #7398)
Remove the tooltip of the delete icon of the meta wizard (see #7270)
Merge branch 'hotfix/3.2.16' into release/3.4.0

Conflicts:
	assets/contao/js/core.js
	system/docs/CHANGELOG.md
	system/modules/core/classes/Frontend.php
	system/modules/core/widgets/MetaWizard.php