fix(ui): render markdown in mobile inline expansion

Use renderMd instead of escHtml for exp-body content.
Add .md class for consistent markdown styling.

web/app.js

@@ -662,7 +662,7 @@
       actions += `<button class="action-btn danger" onclick="event.stopPropagation();nibApp.deleteEntity('${e.id}')">delete</button>`;
     }
     return `<div class="exp-inner">
-      <div class="exp-body">${escHtml(e.body || '')}</div>
+      <div class="exp-body md">${renderMd(e.body || '')}</div>
       ${tags ? `<div class="exp-tags">${tags}</div>` : ''}
       <div class="exp-acts">${actions}</div>
       <div class="exp-toolbar">