Use shortcut

Co-authored-by: Rafael França <[email protected]>

Author: dakolech

lib/sprockets/path_utils.rb

@@ -162,7 +162,7 @@ def set_pipeline(path, mime_exts, pipeline_exts, pipeline)
     def split_subpath(path, subpath)
       return "" if path == subpath
       path = File.join(path, ''.freeze)
-      if subpath and subpath.start_with?(path)
+      if subpath&.start_with?(path)
         subpath[path.length..-1]
       else
         nil