Enhance export file processing in app.py: implement mapping for non-excluded columns in the export file using the export dictionary, ensuring improved data accuracy during portfolio downloads.

app.py

@@ -904,6 +904,9 @@ with tab2:
                     download_type = st.selectbox("Simple or Advanced Download?", options=['Simple', 'Advanced'], key='download_choice')
                     if download_type == 'Simple':
                         st.session_state['export_file'] = st.session_state['portfolio'].copy()
+                        for col in st.session_state['export_file'].columns:
+                                    if col not in excluded_cols:
+                                        st.session_state['export_file'][col] = st.session_state['export_file'][col].map(st.session_state['export_dict'])
                     else:
                         with st.form(key='stack_form'):
                             st.subheader("Stack Count Adjustments")