Update lineup loading functions to use user-defined slate variable in Data Load tab

Modified the lineup loading logic for both Draftkings and Fanduel to utilize the user-configurable 'slate_var3' instead of a hardcoded value. This change enhances flexibility in lineup generation by allowing users to specify the slate context for their lineups.

app.py

@@ -597,7 +597,7 @@ if selected_tab == 'Data Load':
         if upload_toggle == 'Paydirt DB':
             if st.button("Load from Database after inserting site CSV"):
                 if site_var == 'Draftkings':
-                    portfolio_load = init_DK_NFL_lineups(type_var, 'Main', prio_var, 50, dk_nfl_showdown_db_translation, lineup_num_var, [])
+                    portfolio_load = init_DK_NFL_lineups(type_var, slate_var3, prio_var, 50, dk_nfl_showdown_db_translation, lineup_num_var, [])
                     st.session_state['db_portfolio_file'] = pd.DataFrame(portfolio_load)
                     st.session_state['portfolio_loaded'] = True
                     if 'portfolio' in st.session_state:
@@ -605,7 +605,7 @@ if selected_tab == 'Data Load':
                     if 'export_portfolio' in st.session_state:
                         del st.session_state['export_portfolio']
                 else:
-                    portfolio_load = init_FD_NFL_lineups(type_var, 'Main', prio_var, 50, fd_nfl_showdown_db_translation, lineup_num_var, [])
+                    portfolio_load = init_FD_NFL_lineups(type_var, slate_var3, prio_var, 50, fd_nfl_showdown_db_translation, lineup_num_var, [])
                     st.session_state['db_portfolio_file'] = pd.DataFrame(portfolio_load)
                     st.session_state['portfolio_loaded'] = True
                     if 'portfolio' in st.session_state: