77ce295006
feat: Add convert From to TryFrom assist Adds a new code assist to convert a `From` impl into a `TryFrom` impl. This is useful in situations where it turns out after or halfway through writing a `From` implementation that the conversion is actually fallible. ## Example https://github.com/rust-lang/rust-analyzer/assets/26360861/872ec7c4-c9ff-451c-9453-4baaaad47326