docs(threads): add note about desktop for Main/UI threads (#15803)

Author: Flash0ver

develop-docs/sdk/data-model/event-payloads/threads.mdx

@@ -37,7 +37,7 @@ Defaults to `false`.
 `main`
 
 : _Optional_. If applicable, a flag indicating whether the thread was responsible for rendering the user interface.
-On mobile platforms this is oftentimes referred to as the "main thread" or "ui thread".
+On mobile and desktop platforms this is oftentimes referred to as the "main thread" or "ui thread".
 
 `name`