runtime/logging: actually do not panic when rctx is missing

Signed-off-by: Stephan Renatus <stephan@styra.com>

runtime/logging.go

@@ -24,8 +24,13 @@ type loggingPrintHook struct {
 func (h loggingPrintHook) Print(pctx print.Context, msg string) error {
 	// NOTE(tsandall): if the request context is not present then do not panic,
 	// just log the print message without the additional context.
-	rctx, _ := logging.FromContext(pctx.Context)
-	fields := rctx.Fields()
+	var fields map[string]any
+	rctx, ok := logging.FromContext(pctx.Context)
+	if ok {
+		fields = rctx.Fields()
+	} else {
+		fields = make(map[string]any, 1)
+	}
 	fields["line"] = pctx.Location.String()
 	h.logger.WithFields(fields).Info(msg)
 	return nil