feat(editor): Create separate components for JS and JSON editors (no-changelog) (#8156)

## Summary
This is part-1 of refactoring our code editors to extract different type
of editors into their own components.
In part-2 we'll
1. delete a of unused or duplicate code
2. switch to a `useEditor` composable to bring more UX consistency
across all the code editors.

## Review / Merge checklist
- [x] PR title and summary are descriptive
- [x] Tests included

packages/editor-ui/src/utils/__tests__/mappingUtils.test.ts

@@ -68,10 +68,6 @@ const JSON_PARAM: INodeProperties = {
 	displayName: 'JSON Payload',
 	name: 'payloadJson',
 	type: 'json',
-	typeOptions: {
-		alwaysOpenEditWindow: true,
-		editor: 'code',
-	},
 	default: '',
 };