Send lsp_types::InitializeParams with Zed version (#7216)

Based on the great work in
https://github.com/zed-industries/zed/pull/7130 , now sends this data

```
[crates/lsp/src/lsp.rs:588] ClientInfo { name: name.to_string(), version: Some(version.to_string()) } = ClientInfo {
    name: "Zed Dev",
    version: Some(
        "0.122.0",
    ),
}
```

with every LSP server initialization.

Release Notes:

- Added Zed name and version to LSP InitializeParams requests

crates/copilot/src/copilot.rs

@@ -445,7 +445,7 @@ impl Copilot {
                     )
                     .detach();
 
-                let server = server.initialize(Default::default()).await?;
+                let server = cx.update(|cx| server.initialize(None, cx))?.await?;
 
                 let status = server
                     .request::<request::CheckStatus>(request::CheckStatusParams {