Enable HMR for the webview, compliments of vite

[cte]

Description

https://www.loom.com/share/a83b5e44a6134af1a2ea9c7c7284b3c7?sid=6003dd84-7e0d-4e6f-a465-caba64e53f4e

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Checklist:

• My code follows the patterns of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation

Additional context

Related Issues

Reviewers

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Important

Enable HMR for webview in ClineProvider.ts using Vite, with configuration updates in vite.config.ts and package.json.

• Behavior:
  • Enable HMR for webview in ClineProvider.ts by adding getHMRHtmlContent() and conditionally using it based on extensionMode.
• Configuration:
  • Update vite.config.ts to include HMR settings with host as localhost and protocol as ws.
  • Change Vite version in package.json from ^6.0.5 to 5.3.3.

^{This description was created by for 9736795. It will automatically update as commits are pushed.}

[cte]

Vite 6 changes the way HMR works, which breaks the example I was following. Will figure this out as a follow-up.

[mrubens]

🔥

[mrubens]

Sorry if I merged this incorrectly - I didn't look closely and thought it was ready for main