return immediately from render_record_lit if snippet_cap is None

this is the record literal version of rust-lang#13805, which handled the same issue for
tuple literals

crates/ide-completion/src/completions/record.rs

@@ -159,8 +159,9 @@ fn baz() {
     #[test]
     fn enum_variant_no_snippets() {
         let conf = CompletionConfig { snippet_cap: SnippetCap::new(false), ..TEST_CONFIG };
+        // tuple variant
         check_edit_with_config(
-            conf,
+            conf.clone(),
             "Variant()",
             r#"
 enum Enum {
@@ -178,6 +179,34 @@ enum Enum {
     Variant(usize),
 }
 
+impl Enum {
+    fn new(u: usize) -> Self {
+        Self::Variant
+    }
+}
+"#,
+        );
+
+        // record variant
+        check_edit_with_config(
+            conf,
+            "Variant{}",
+            r#"
+enum Enum {
+    Variant{u: usize},
+}
+
+impl Enum {
+    fn new(u: usize) -> Self {
+        Self::Va$0
+    }
+}
+"#,
+            r#"
+enum Enum {
+    Variant{u: usize},
+}
+
 impl Enum {
     fn new(u: usize) -> Self {
         Self::Variant

crates/ide-completion/src/render/variant.rs

@@ -22,6 +22,9 @@ pub(crate) fn render_record_lit(
     fields: &[hir::Field],
     path: &str,
 ) -> RenderedLiteral {
+    if snippet_cap.is_none() {
+        return RenderedLiteral { literal: path.to_string(), detail: path.to_string() };
+    }
     let completions = fields.iter().enumerate().format_with(", ", |(idx, field), f| {
         if snippet_cap.is_some() {
             f(&format_args!("{}: ${{{}:()}}", field.name(db), idx + 1))