Small AOTF tidy; update mock introspection query response

[MetRonnie]

Check List

• I have read CONTRIBUTING.md and added my name as a Code Contributor.
• Contains logically grouped changes (else tidy your branch by rebase).
• Does not contain off-topic changes (use other PRs for other changes).
• Tests, changelog, docs not needed

[ChrisPaulBennett]

I'm not sure I am the correct person to review this.
I'm not sure what the introspection query is for, or how I would even test it. Can you give me a little bit more info on this update

The AOTF changes seem fine. I assume that is how you type check in javascript? ugh....I see why type script is a thing.

[MetRonnie]

The introspection query is a GraphQL query that the UI client makes on first load in order to determine the full GraphQL schema of the server, including the GraphQL types. The UI does this here:

cylc-ui/src/services/workflow.service.js

Line 91 in 298c600

this.introspection = this.loadTypes()

cylc-ui/src/services/workflow.service.js

Lines 154 to 181 in 298c600

	/**
	* Load mutations, queries and types from GraphQL introspection.
	*
	* @returns {Promise<IntrospectionObj>}
	*/
	async loadTypes () {
	// TODO: this assumes all workflows use the same schema which is and
	// isn't necessarily true, not quite sure, come back to this later.
	let response
	try {
	response = await this.apolloClient.query({
	query: getIntrospectionQuery(),
	fetchPolicy: 'no-cache'
	})
	} catch (err) {
	console.error(err)
	// eslint-disable-next-line no-console
	console.log('retrying introspection query')
	await new Promise(resolve => setTimeout(resolve, 2000))
	return this.loadTypes()
	}
	const mutations = response.data.__schema.mutationType.fields
	const queries = response.data.__schema.queryType.fields
	const { types } = response.data.__schema
	mutations.push(...dummyMutations)
	processMutations(mutations, types)
	return { mutations, queries, types }
	}

This is used to populate the command menu when you click on a task icon, as well as all the fields in the form that comes up when you click the pencil/edit button on the menu.

The "mock" introspection query response is used to provide this in the "offline"/"mock" mode, which is when you run yarn run serve or its alias yarn run dev. There is some more info here:

cylc-ui/src/services/mock/json/README.md

Lines 1 to 20 in 298c600

	# Mock data for Cylc UI
	The files in this directory include:
	- `*.json` these a [json-server](https://github.com/typicode/json-server) database
	files. For each of these, when exported, you should have an entry in the `/db`
	endpoint.
	- `index.cjs` this is a JS module that exports the imported JSON files. The names
	used in the export section drive the value that appears in the `json-server`
	endpoints (see `/db` to inspect what values are available).
	## Introspection query
	The following query is a combination of the request generated by
	GraphiQL, combined with extra information for the `mutationType`
	(instead of just `name`, we ask for `...FullType`).
	```graphql
	query IntrospectionQuery {
	__schema {

For this PR I ran the full query from the README file on the Cylc 8.5.0 uiserver and overwrote the JSON file with the results. This brings the offline mode up to date.

If you feel the developer docs could do with more info anywhere, do shout 👍