[bug] Webview content outside window (macOS)

[probablykasper]

Describe the bug

It's possible to make content from the webview appear outside of the window, and cause some glitchines

https://user-images.githubusercontent.com/11315492/178119617-9602b1e7-a1ee-4606-8d85-2e6182ee6992.mp4

Reproduction

I'm experiencing this specifically with this app: https://github.com/probablykasper/time-machine-inspector

Expected behavior

No response

Platform and versions

Environment
  › OS: Mac OS 10.15.7 X64
  › Node.js: 16.15.0
  › npm: 8.12.1
  › pnpm: Not installed!
  › yarn: Not installed!
  › rustup: 1.24.3
  › rustc: 1.61.0
  › cargo: 1.61.0
  › Rust toolchain: stable-x86_64-apple-darwin 

Packages
  › @tauri-apps/cli [NPM]: 1.0.3
  › @tauri-apps/api [NPM]: 1.0.2
  › tauri [RUST]: 1.0.3,
  › tauri-build [RUST]: 1.0.3,
  › tao [RUST]: 0.12.1,
  › wry [RUST]: 0.19.0,

App
  › build-type: bundle
  › CSP: default-src 'self'; style-src 'unsafe-inline' *
  › distDir: ../build
  › devPath: http://localhost:3000/
  › framework: Svelte

App directory structure
  ├─ node_modules
  ├─ public
  ├─ .github
  ├─ src-tauri
  ├─ build
  ├─ .git
  ├─ assets
  └─ src

Stack trace

No response

Additional context

No response