Preserve video thumbnail height and verify social target outputs

packages/email-renderer/src/blocks.ts

@@ -460,7 +460,7 @@ export const videoBlock = leaf(
   {
     emailHtml: ({ node }) => emailCell(`<a href="${html(attrs(node).href)}" aria-label="${html(attrs(node).title)}"><img src="${html(attrs(node).thumbnail)}" alt="${html(attrs(node).alt)}" width="${html(attrs(node).width)}" height="${html(attrs(node).height)}" style="border:0;display:block;height:auto;width:100%;max-width:${html(attrs(node).width)}px;" /></a>`, node),
     ampEmail: ({ node }) => emailCell(`<a href="${html(attrs(node).href)}" aria-label="${html(attrs(node).title)}"><amp-img src="${html(attrs(node).thumbnail)}" alt="${html(attrs(node).alt)}" width="${html(attrs(node).width)}" height="${html(attrs(node).height)}" layout="responsive"></amp-img></a>`, node),
-    mjml: ({ node }) => `<mj-image href="${html(attrs(node).href)}" src="${html(attrs(node).thumbnail)}" alt="${html(attrs(node).alt)}" width="${html(attrs(node).width)}px" />`,
+    mjml: ({ node }) => `<mj-image href="${html(attrs(node).href)}" src="${html(attrs(node).thumbnail)}" alt="${html(attrs(node).alt)}" width="${html(attrs(node).width)}px" height="${html(attrs(node).height)}px" />`,
   },
   ({ node }) => `${String(attrs(node).title)}: ${String(attrs(node).href)}\n\n`,
 );