feat: add wrapper for version labels (#9264)

Refs #9167

src/core/components/info.jsx

@@ -100,8 +100,10 @@ class Info extends React.Component {
         <hgroup className="main">
           <h2 className="title">
             {title}
-            {version && <VersionStamp version={version} />}
-            <OpenAPIVersion oasVersion="2.0" />
+            <span>
+              {version && <VersionStamp version={version} />}
+              <OpenAPIVersion oasVersion="2.0" />
+            </span>
           </h2>
           {host || basePath ? (
             <InfoBasePath host={host} basePath={basePath} />

test/unit/xss/info-sanitization.jsx

@@ -22,7 +22,7 @@ describe("<Info/> Sanitization", function(){
 
 	it("renders sanitized .title content", function(){
 		let wrapper = render(<Info {...props}/>)
-		expect(wrapper.find(".title").html()).toEqual("Test Title **strong** &lt;script&gt;alert(1)&lt;/script&gt;")
+		expect(wrapper.find(".title").html()).toEqual("Test Title **strong** &lt;script&gt;alert(1)&lt;/script&gt;<span></span>")
 	})
 
 	it("renders sanitized .description content", function() {