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.jsx

@@ -5,8 +5,8 @@ import React from "react"
 import { shallow } from "enzyme"
 import { fromJS, List } from "immutable"
 
-import Response from "components/response"
-import ModelExample from "components/model-example"
+import Response from "core/components/response"
+import ModelExample from "core/components/model-example"
 import {
   inferSchema,
   memoizedSampleFromSchema,