[fix](compile) Include beta_rowset.h for rowset_id() access

The forward declaration of BetaRowset is insufficient for calling
rowset_id() in the log message. Add the full include.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: dataroaring

be/src/storage/segment/lazy_init_segment_iterator.cpp

@@ -17,6 +17,7 @@
 
 #include "storage/segment/lazy_init_segment_iterator.h"
 
+#include "storage/rowset/beta_rowset.h"
 #include "storage/segment/segment_loader.h"
 
 namespace doris::segment_v2 {