Don't write temp files for telemetry logs (#20209)

This still keeps a telemetry.log for the current session, but not one
file per load of zed.

Closes: #20045

Release Notes:

- Fixed a bug where Zed would create a new temporary file on each boot
for telemetry logs

crates/zed/src/zed.rs

@@ -999,7 +999,7 @@ fn open_telemetry_log_file(workspace: &mut Workspace, cx: &mut ViewContext<Works
         let app_state = workspace.app_state().clone();
         cx.spawn(|workspace, mut cx| async move {
             async fn fetch_log_string(app_state: &Arc<AppState>) -> Option<String> {
-                let path = app_state.client.telemetry().log_file_path()?;
+                let path = client::telemetry::Telemetry::log_file_path();
                 app_state.fs.load(&path).await.log_err()
             }