fix(profiler): clear command does not work

- The loop is supposed to delete the files first and then the directories.
- getPathInfo returns a SplFileInfo object for the parent (the folder in our case).
- A non-empty directory cannot be deleted.

Signed-off-by: Daniel Kesselberg <mail@danielkesselberg.de>

lib/private/Profiler/FileProfilerStorage.php

@@ -81,11 +81,11 @@ public function purge(): void {
 		$iterator = new \RecursiveIteratorIterator($iterator, \RecursiveIteratorIterator::CHILD_FIRST);
 
 		foreach ($iterator as $file) {
-			$file = (string)$file->getPathInfo();
-			if (is_file($file)) {
-				unlink($file);
+			$path = $file->getPathname();
+			if (is_file($path)) {
+				unlink($path);
 			} else {
-				rmdir($file);
+				rmdir($path);
 			}
 		}
 	}