Add initial rerun check in app.py to ensure session state is properly initialized, enhancing app stability and user experience.

app.py

@@ -482,3 +482,7 @@ with tab3:
                     file_name='MLB_seed_frame_frequency.csv',
                     mime='text/csv',
                 )
+
+if "initial_rerun_done" not in st.session_state:
+   st.session_state.initial_rerun_done = True
+   st.rerun()