Keep order of sites as defined in the config (#139)

src/Data/SeoDefaultSet.php

@@ -61,7 +61,7 @@ public function sites(): Collection
 
  if ($parent = $this->parent()) {
  // Only return sites from the parent that are configured in Statamic's sites config
- return $parent->sites()->intersect($allSites)->values();
+ return $allSites->filter(fn ($site) => $parent->sites()->contains($site));
  }
 
  return $allSites;