[modern] Fix broken rendering of `main` and `dialog` elements in IE9-11

Adds the new ResourceLoader feature_file 'html5' to the modern styles.
The legacy layout was not upgraded to use HTML5 semantic elements,
therefore does not need these.

Bug: T256092
Depends-On: I3e4abb5fc8e55b7138fc1c86543777c845bed88e
Change-Id: I8f1c79037d14b89982e449708f4f1cefacab4439

bundlesize.config.json

@@ -5,7 +5,7 @@
 	},
 	{
 		"resourceModule": "skins.vector.styles",
-		"maxSize": "8.1 kB"
+		"maxSize": "8.2 kB"
 	},
 	{
 		"resourceModule": "skins.vector.icons",

skin.json

@@ -52,7 +52,7 @@
 		},
 		"skins.vector.styles": {
 			"class": "ResourceLoaderSkinModule",
-			"features": [ "elements", "content", "interface", "legacy" ],
+			"features": [ "html5", "elements", "content", "interface", "legacy" ],
 			"targets": [
 				"desktop",
 				"mobile"