Show a toast if the user tries to save their work (#6051)

* Show a toast if the user tries to save their work

And store the fact that they've seen it in localStorage so we don't spam
them every time they hit it after they see it.

* Remove any localStorage logic, toast every time

src/App.tsx

@@ -30,6 +30,7 @@ import { commandBarActor } from 'machines/commandBarMachine'
 import { useToken } from 'machines/appMachine'
 import { useSettings } from 'machines/appMachine'
 import { rustContext } from 'lib/singletons'
+import toast from 'react-hot-toast'
 maybeWriteToDisk()
   .then(() => {})
   .catch(() => {})
@@ -98,6 +99,10 @@ export function App() {
     }
   )
 
+  useHotkeyWrapper(['mod + s'], () => {
+    toast.success('Your work is auto-saved in real-time')
+  })
+
   const paneOpacity = [onboardingPaths.CAMERA, onboardingPaths.STREAMING].some(
     (p) => p === onboardingStatus.current
   )