Fix a left-over class alias usage (see #1235)

Description
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Commits
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62f9a9b2 Fix a left-over class alias usage
f193dcee Add the --ansi flag in the ci.yml file

src/Resources/contao/widgets/Picker.php

@@ -181,7 +181,7 @@ protected function generateValues($blnHasOrder): array
 			return (array) $this->varValue;
 		}
 
-		\Controller::loadDataContainer($strRelatedTable);
+		Controller::loadDataContainer($strRelatedTable);
 
 		$arrValues = array();