Adapts return logic to implement the newly added method

Fixes: SIRI-1028

src/main/java/sirius/kernel/commons/Files.java

@@ -185,7 +185,7 @@ public static boolean isConsideredMetadata(@Nullable String path) {
         if (Strings.isEmpty(path)) {
             return false;
         }
-        return METADATA_FILES.stream().anyMatch(path::contains);
+        return streamPath(path).anyMatch(METADATA_FILES::contains);
     }
 
     /**