Update crates/core/src/runtime/functions/control.rs

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Signed-off-by: Raphael Götz <52959657+raphael-goetz@users.noreply.github.com>

Author: raphael-goetz

crates/core/src/runtime/functions/control.rs

@@ -62,6 +62,7 @@ fn r#if(
         ctx.push_runtime_trace_label("branch=if".to_string());
         run(*if_pointer, ctx)
     } else {
+        ctx.push_runtime_trace_label("branch=else".to_string());
         Signal::Success(Value {
             kind: Some(Kind::NullValue(0)),
         })