Update projections file loading to use session state variable for improved consistency and reliability

app.py

@@ -970,7 +970,7 @@ if selected_tab == 'Data Load':
             )
             
         if st.session_state['projections_loaded']:
-            export_projections, projections = load_file(projections_file, site_var, type_var, sport_var, 'projections')
+            export_projections, projections = load_file(st.session_state['db_projections_file'], site_var, type_var, sport_var, 'projections')
             if projections is not None:
                 st.success('Projections file loaded successfully!')