Add export dictionary initialization in app.py: implement logic to create an export_dict from csv_file, enhancing data handling for export operations while ensuring fallback for missing keys.

app.py

@@ -209,6 +209,10 @@ with tab1:
             st.session_state['projections_df'] = projections
 
             working_frame = st.session_state['portfolio'].copy()
+            try:
+                st.session_state['export_dict'] = dict(zip(st.session_state['csv_file']['Name'], st.session_state['csv_file']['Name + ID']))
+            except:
+                st.session_state['export_dict'] = dict(zip(st.session_state['csv_file']['Nickname'], st.session_state['csv_file']['Id']))
             st.session_state['origin_portfolio'] = st.session_state['portfolio'].copy()
 
 # with tab2: