Bugfixes for the Presentation tool and initializing Next.js projects

• Fixes an issue in the Presentation tool where the entire iframe refreshed on data changes (rather than smoothly updating).
• Adds a --legacy-peer-deps flag to the automatic install of next-sanity inside Next.js projects, resolving errors that occurred when sanity init was run inside these projects.

To initiate a new Sanity Studio project or upgrade an existing one, please refer to our comprehensive guide on Installing and Upgrading Sanity Studio.

If you are updating from a version earlier than 3.37.0, you should also check out this article to ensure your dependencies are up to date.