runtime-rs: fix some variable names and typos

Fix some not perfect variable names, and some typos in logs.

Fixes: #5820

Signed-off-by: Bin Liu <bin@hyper.sh>

src/runtime-rs/crates/service/src/manager.rs

@@ -65,7 +65,7 @@ async fn send_event(
             &namespace,
         ])
         .spawn()
-        .context("sawn cmd")?;
+        .context("spawn containerd cmd to publish event")?;
 
     let stdin = child.stdin.as_mut().context("failed to open stdin")?;
     stdin

src/runtime-rs/crates/service/src/task_service.rs

@@ -40,7 +40,7 @@ where
     let r = req
         .try_into()
         .map_err(|err| ttrpc::Error::Others(format!("failed to translate from shim {:?}", err)))?;
-    let logger = sl!().new(o!("steam id" =>  ctx.mh.stream_id));
+    let logger = sl!().new(o!("stream id" =>  ctx.mh.stream_id));
     debug!(logger, "====> task service {:?}", &r);
     let resp = s
         .handler_message(r)