Enable the sort-imports eslint rule (#1849)

## Description:

Enable the `sort-imports` eslint rule.

Fixes #1784

## Please complete the following:

- [x] I have added screenshots for all UI updates
- [x] I process any text displayed to the user through translateText()
and I've added it to the en.json file
- [x] I have added relevant tests to the test directory
- [x] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced

src/client/HelpModal.ts

@@ -1,8 +1,8 @@
+import "./components/Difficulties";
+import "./components/Maps";
 import { LitElement, html } from "lit";
 import { customElement, query } from "lit/decorators.js";
 import { getAltKey, getModifierKey, translateText } from "../client/Utils";
-import "./components/Difficulties";
-import "./components/Maps";
 
 @customElement("help-modal")
 export class HelpModal extends LitElement {