fix iframe partial

layouts/partials/FixIframeRatio → layouts/partials/FilterIframeLazy

 {{ $chunks := split . "<iframe" }}
-{{ $text := delimit $chunks "<div class=\"ratio ratio-16x9\"><iframe loading=\"lazy\"" }}
+{{ $text := delimit $chunks "<iframe loading=\"lazy\"" }}
 {{ $chunks = split $text "</iframe>" }}
-{{ $text = delimit $chunks "</iframe></div>" }}
+{{ $text = delimit $chunks "</iframe>" }}
 {{ return $text }}

layouts/partials/PrepareHTML

@@ -2,7 +2,7 @@
 safeHTML (
   chomp (
     partial "CorrectPunctuation" (
-      partial "FixIframeRatio" (
+      partial "FilterIframeLazy" (
         .
       )
     )