fix: remove duplicate meta_type and replace meta_name with meta_type

Co-authored-by: aider (openai/andrew/openrouter/deepseek/deepseek-chat-v3.1) <aider@aider.chat>

src/modes/common.rs

@@ -149,7 +149,7 @@ pub fn settings_meta_plugin_types(cmd: &mut Command, settings: &config::Settings
             let mut found = false;
             for meta_plugin_type in MetaPluginType::iter() {
                 let meta_plugin = crate::meta_plugin::get_meta_plugin(meta_plugin_type.clone(), None, None);
-                if meta_plugin.meta_name() == trimmed_name {
+                if meta_plugin.meta_type().to_string() == trimmed_name {
                     meta_plugin_types.push(meta_plugin_type);
                     found = true;
                     break;