Implement button for loading contest data in app.py

- Added a 'Load Contest Data' button to trigger the loading of contest data, enhancing user interaction.
- Updated session state management to ensure contest data is only loaded if 'Adj_Contest' is not present, improving data handling and user experience.

app.py

@@ -80,14 +80,15 @@ with tab1:
                     st.success('Contest file loaded successfully!')
                     st.dataframe(st.session_state['Contest'].head(10))
         elif parse_type == 'DB Search':
-            Contest_file = grab_contest_data('MLB', contest_name_var, contest_id_map, contest_date_map)
-            if 'Adj_Contest' not in st.session_state:
-                st.session_state['Contest'], st.session_state['ownership_df'], st.session_state['actual_df'], st.session_state['entry_list'] = load_contest_file(Contest_file, sport_select)
-                st.session_state['Contest'] = st.session_state['Contest'].dropna(how='all')
-                st.session_state['Contest'] = st.session_state['Contest'].reset_index(drop=True)
-                if st.session_state['Contest'] is not None:
-                    st.success('Contest file loaded successfully!')
-                    st.dataframe(st.session_state['Contest'].head(10))
+            if st.button('Load Contest Data', key='load_contest_data'):
+                Contest_file = grab_contest_data('MLB', contest_name_var, contest_id_map, contest_date_map)
+                if 'Adj_Contest' not in st.session_state:
+                    st.session_state['Contest'], st.session_state['ownership_df'], st.session_state['actual_df'], st.session_state['entry_list'] = load_contest_file(Contest_file, sport_select)
+                    st.session_state['Contest'] = st.session_state['Contest'].dropna(how='all')
+                    st.session_state['Contest'] = st.session_state['Contest'].reset_index(drop=True)
+                    if st.session_state['Contest'] is not None:
+                        st.success('Contest file loaded successfully!')
+                        st.dataframe(st.session_state['Contest'].head(10))
 
     with col2:
         st.subheader("Projections File")