Fix settings icon fetching

Signed-off-by: Julius Härtl <[email protected]>

core/Controller/SvgController.php

@@ -80,7 +80,7 @@ public function getSvgFromApp(string $app, string $fileName, string $color = 'ff
 
 		if ($app === 'settings') {
 			$path = $this->serverRoot . "/settings/img/$fileName.svg";
-			return $this->getSvg($path, $color);
+			return $this->getSvg($path, $color, $fileName);
 		}
 
 		$appPath = \OC_App::getAppWebPath($app);