feat: expose plugins and presets on SwaggerUI global symbol (#9189)

Part of this commit is also:
- complete plugins consolidation
- complete presets consolidation
- build system consolidation

Refs #9188

test/unit/components/response-body.jsx

@@ -1,6 +1,6 @@
 import React from "react"
 import { shallow } from "enzyme"
-import ResponseBody from "components/response-body"
+import ResponseBody from "core/components/response-body"
 
 describe("<ResponseBody />", function () {
   const highlightCodeComponent = () => null