lsp: Don't log oneshot channel errors from notify (#29857)

This is kind of noisy and not very informative.

Release Notes:

- N/A

crates/copilot/src/copilot.rs

@@ -278,7 +278,7 @@ impl RegisteredBuffer {
                                         content_changes,
                                     },
                                 )
-                                .log_err();
+                                .ok();
                         }
                         let _ = done_tx.send((buffer.snapshot_version, buffer.snapshot.clone()));
                         Some(())
@@ -732,7 +732,7 @@ impl Copilot {
                                 },
                             },
                         )
-                        .log_err();
+                        .ok();
 
                     RegisteredBuffer {
                         uri,
@@ -827,7 +827,7 @@ impl Copilot {
                             text_document: lsp::TextDocumentIdentifier::new(buffer.uri),
                         },
                     )
-                    .log_err();
+                    .ok();
             }
         }
     }