Update changelog

Author: IanVS

docs/src/content/docs/changelog.mdx

@@ -108,6 +108,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 -  Ensure menu updates occur on the main thread by [@leaanthony](https://github.com/leaanthony)
 - The dragging and resizing mechanism is now more robust and matches expected platform behaviour more closely by [@fbbdev](https://github.com/fbbdev) in [#4100](https://github.com/wailsapp/wails/pull/4100)
 - Fixed [#4097](https://github.com/wailsapp/wails/issues/4097) Webpack/angular discards runtime init code by [@fbbdev](https://github.com/fbbdev) in [#4100](https://github.com/wailsapp/wails/pull/4100)
+- Fixed initially-hidden menu items by [@IanVS](https://github.com/IanVS) in [#4116](https://github.com/wailsapp/wails/pull/4116)
 
 ### Changed