daemon: Trim cookie string

If the cookie file had a newline in it, the program would not work

cli/src/daemon.rs

@@ -18,7 +18,7 @@ use tokio::task::{spawn, JoinHandle};
 pub fn run(opt: DaemonOpt) -> Result<(), Error> {
     let opt: &'static DaemonOpt = Box::leak(Box::new(opt));
     let cookie: &'static str =
-        Box::leak(std::fs::read_to_string(&opt.cookie_file)?.into_boxed_str());
+        Box::leak(std::fs::read_to_string(&opt.cookie_file)?.into_boxed_str()).trim();
 
     let rt = Runtime::new()?;
     rt.block_on(async {