fix(marko): issue with dynamic tag name string and no renderbody

packages/marko/src/runtime/html/AsyncStream.js

@@ -519,9 +519,9 @@ var proto = (AsyncStream.prototype = {
     if (selfClosingTags.voidElements.indexOf(tagName) !== -1) {
       str += ">";
     } else if (selfClosingTags.svgElements.indexOf(tagName) !== -1) {
-      str += " />";
+      str += "/>";
     } else {
-      str += "</" + tagName + ">";
+      str += "></" + tagName + ">";
     }
 
     this.write(str);

packages/marko/test/render/fixtures/dynamic-tag-name/expected.html

@@ -1 +1 @@
-<foo class="my-class" foo="bar">My nested content</foo>
+<foo class=my-class foo=bar>My nested content</foo><world class=my-class foo=bar></world>

packages/marko/test/render/fixtures/dynamic-tag-name/template.marko

@@ -1,3 +1,5 @@
 <${input.foo ? 'foo' : 'bar'} class="my-class" foo="bar">
     My nested content
-</>
+</>
+
+<${input.myTagName} class="my-class" foo="bar"/>

packages/marko/test/render/fixtures/dynamic-tag-name/vdom-expected.html

@@ -1,2 +1,3 @@
 <FOO class="my-class" foo="bar">
   "My nested content"
+<WORLD class="my-class" foo="bar">