Doc: Fixes #9216: Fixed several broken links

packages/plugins/ToggleSidebars/api/JoplinData.d.ts

@@ -1,6 +1,6 @@
 import { Path } from './types';
 /**
- * This module provides access to the Joplin data API: https://joplinapp.org/api/references/rest_api/
+ * This module provides access to the Joplin data API: https://joplinapp.org/help/api/references/rest_api
  * This is the main way to retrieve data, such as notes, notebooks, tags, etc.
  * or to update them or delete them.
  *
@@ -16,7 +16,7 @@ import { Path } from './types';
  * * `data`: (Optional) Applies to PUT and POST calls only. The request body contains the data you want to create or modify, for example the content of a note or folder.
  * * `files`: (Optional) Used to create new resources and associate them with files.
  *
- * Please refer to the [Joplin API documentation](https://joplinapp.org/api/references/rest_api/) for complete details about each call. As the plugin runs within the Joplin application **you do not need an authorisation token** to use this API.
+ * Please refer to the [Joplin API documentation](https://joplinapp.org/help/api/references/rest_api) for complete details about each call. As the plugin runs within the Joplin application **you do not need an authorisation token** to use this API.
  *
  * For example:
  *

packages/plugins/ToggleSidebars/api/JoplinInterop.d.ts

@@ -9,7 +9,7 @@ import { ExportModule, ImportModule } from './types';
  *
  * See the documentation of the [[ExportModule]] and [[ImportModule]] for more information.
  *
- * You may also want to refer to the Joplin API documentation to see the list of properties for each item (note, notebook, etc.) - https://joplinapp.org/api/references/rest_api/
+ * You may also want to refer to the Joplin API documentation to see the list of properties for each item (note, notebook, etc.) - https://joplinapp.org/help/api/references/rest_api
  */
 export default class JoplinInterop {
 	registerExportModule(module: ExportModule): Promise<void>;