Added query duration to debug bar
Generate theme.xml after export theme hooks
Add Image::create()
Simplify usage of Image::getPicture()
Seperate GD methods from Image to GdImage
Seperate picture methods from Image to Picture
Don't create files if images don't exist
Make `tl_layout.analytics` a `text` field (see #7393)
Consider the `useSSL` flag of the root page when generating URLs (see #7390)
Merge branch 'hotfix/3.2.15' into hotfix/3.3.6

Conflicts:
	system/modules/core/library/Contao/Controller.php
	system/modules/core/modules/Module.php
	system/modules/core/modules/ModuleCustomnav.php
	system/modules/core/modules/ModuleQuicklink.php
	system/modules/core/modules/ModuleQuicknav.php
	system/modules/core/pages/PageRegular.php
Do not generally remove insert tags from page titles (see #7198)
Re-add the surrounding "submit_container" in table forms (see #7396)
Correctly render the "read more" and article navigation links (see #7300)
Always pass a DC object in the `toggleVisibility` callback (see #7314)
Fix the markup of the form submit button (see #7396)
Throw a runtime exception it imagecreate fails
Rename Picture method getData to getTemplateData
Catch exceptions in Controller::addImageToTemplate() and Image::get() for backwards compatibility
Add missing rawurldecode
Add hook executeResize