remove erroneous no such command when the command succeeds

helix-term/src/commands.rs

@@ -267,10 +267,11 @@ impl MappableCommand {
                 } else {
                     // TODO: Update this
                     let args = args.split_whitespace().map(Cow::from).collect();
-                    ScriptingEngine::call_function_by_name(cx, name, args);
+                    if !ScriptingEngine::call_function_by_name(cx, name, args) {
                         cx.editor.set_error(format!("no such command: '{name}'"));
                     }
                 }
+            }
             Self::Static { fun, .. } => (fun)(cx),
             Self::Macro { keys, .. } => {
                 // Protect against recursive macros.