TYPO3 Core

I add a custom page-type in my extension. I defined an own SVG-icon.

The icon is too big in the page-tree. The presentation in the add-List is okay.(see screenshot)

I registrate the icon in the ext_localconf.php

/** @var \TYPO3\CMS\Core\Imaging\IconRegistry $iconRegistry */
$iconRegistry = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(\TYPO3\CMS\Core\Imaging\IconRegistry::class);
$iconRegistry->registerIcon(
'checker-checker',
\TYPO3\CMS\Core\Imaging\IconProvider\SvgIconProvider::class,
['source' => 'EXT:checker/Resources/Public/Icons/CheckerPlugin.svg']
);


I added the code of the SVG.