perf: resolve clippy lints

Author: replydev

src/path.rs

@@ -20,7 +20,7 @@ pub fn init_path(args: &CotpArgs) -> PathBuf {
                 .map(String::from)
                 .or(env::var("COTP_DB_PATH").ok())
                 .map(PathBuf::from)
-                .unwrap_or_else(|| get_default_db_path())
+                .unwrap_or_else(get_default_db_path)
         })
         .to_owned()
 }