improve: add missing html and svg tag (#5688)

* imporve: add missing html and svg tag

* reivew

* fix: review

src/platforms/web/util/element.js

@@ -19,7 +19,7 @@ export const isHTMLTag = makeMap(
   'button,datalist,fieldset,form,input,label,legend,meter,optgroup,option,' +
   'output,progress,select,textarea,' +
   'details,dialog,menu,menuitem,summary,' +
-  'content,element,shadow,template'
+  'content,element,shadow,template,blockquote,iframe,tfoot'
 )
 
 // this map is intentionally selective, only covering SVG elements that may