CodeAction groups

crates/rust-analyzer/src/diagnostics/snapshots/rust_analyzer__diagnostics__to_proto__tests__snap_multi_line_fix.snap

@@ -65,6 +65,7 @@ expression: diag
         fixes: [
             CodeAction {
                 title: "return the expression directly",
+                group: None,
                 kind: Some(
                     "quickfix",
                 ),

crates/rust-analyzer/src/diagnostics/snapshots/rust_analyzer__diagnostics__to_proto__tests__snap_rustc_unused_variable.snap

@@ -50,6 +50,7 @@ expression: diag
         fixes: [
             CodeAction {
                 title: "consider prefixing with an underscore",
+                group: None,
                 kind: Some(
                     "quickfix",
                 ),

crates/rust-analyzer/src/diagnostics/to_proto.rs

@@ -145,6 +145,7 @@ fn map_rust_child_diagnostic(
     } else {
         MappedRustChildDiagnostic::SuggestedFix(lsp_ext::CodeAction {
             title: rd.message.clone(),
+            group: None,
             kind: Some("quickfix".to_string()),
             edit: Some(lsp_ext::SnippetWorkspaceEdit {
                 // FIXME: there's no good reason to use edit_map here....