fix: allow ":" in message

src/client/commands/mod.rs

@@ -91,9 +91,9 @@ impl ClientCommand {
                 (None, true) => {
                     buffer = Some(e[1..].to_string());
                 }
-                (Some(buf), starts_with_colon) => {
+                (Some(buf), _) => {
                     buf.push(' ');
-                    buf.push_str(if starts_with_colon { &e[1..] } else { &e });
+                    buf.push_str(e);
                 }
             });