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/bugs/4557-default-parameter-values.jsx

@@ -5,7 +5,7 @@ import React from "react"
 import { List, fromJS } from "immutable"
 import { render } from "enzyme"
 
-import ParameterRow from "components/parameter-row"
+import ParameterRow from "core/components/parameter-row"
 import {
   memoizedSampleFromSchema,
   memoizedCreateXMLExample,