fix: Resolve multiple ColumnConfig definitions and type mismatches

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

src/modes/list.rs

@@ -4,14 +4,11 @@ use crate::services::types::ItemWithMeta;
 use crate::modes::common::ColumnType;
 use crate::modes::common::{format_size, OutputFormat};
 use anyhow::{Result};
-use comfy_table::{Table, ContentArrangement, Cell, Row, Color, Attribute};
-use comfy_table::presets::NOTHING;
+use comfy_table::{Cell, Row, Color, Attribute};
 use comfy_table::CellAlignment;
 use serde::{Deserialize, Serialize};
 use serde_json;
 use serde_yaml;
-use std::io::{stdout};
-use std::io::IsTerminal;
 
 #[derive(Serialize, Deserialize)]
 struct ListItem {