Add button for loading projections from database in Data Load tab

Updated the projections file loading logic to include a button for users to load projections directly from the Paydirt DB. This change enhances user interaction by providing a clear action for database loading, while maintaining the existing user upload functionality.

app.py

@@ -663,8 +663,9 @@ if selected_tab == 'Data Load':
             if proj_options == 'User Upload':
                 projections_file = st.file_uploader("Upload Projections File (CSV or Excel)", type=['csv', 'xlsx', 'xls'])
             elif proj_options == 'Paydirt DB':
-                projections_file = init_nfl_baselines(type_var, site_var, 'Main Slate')
-                st.session_state['db_projections_file'] = projections_file
+                if st.button("Load from Database"):
+                    projections_file = init_nfl_baselines(type_var, site_var, 'Main Slate')
+                    st.session_state['db_projections_file'] = projections_file
             if 'projections_df' in st.session_state:
                 del st.session_state['projections_df']