fix: replace passthru with echo (#133)

Signed-off-by: wilmardo <[email protected]>

Author: wilmardo

src/Screens/Screen.php

@@ -28,7 +28,7 @@ public function registerListeners()
 
     public function clear()
     {
-        passthru("echo '\033\143'");
+        echo("\033\143");
 
         return $this;
     }