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

src/core/plugins/oas3/selectors.js

@@ -5,7 +5,7 @@ import { OrderedMap, Map, List } from "immutable"
 import { createSelector } from "reselect"
 
 import { getDefaultRequestBodyValue } from "./components/request-body"
-import { stringify } from "../../utils"
+import { stringify } from "core/utils"
 
 // Helpers