Enhance data export functionality by initializing and filtering 'working_seed' based on team and stack variables in session state

app.py

@@ -241,6 +241,13 @@ with tab2:
         
 
         if st.button("Prepare data export", key='data_export'):
+                if 'working_seed' in st.session_state:
+                    st.session_state.working_seed = st.session_state.working_seed[np.isin(st.session_state.working_seed[:, 11], team_var2)]
+                    st.session_state.working_seed = st.session_state.working_seed[np.isin(st.session_state.working_seed[:, 12], stack_var2)]
+                elif 'working_seed' not in st.session_state:
+                    st.session_state.working_seed = DK_seed.copy()
+                    st.session_state.working_seed = st.session_state.working_seed[np.isin(st.session_state.working_seed[:, 11], team_var2)]
+                    st.session_state.working_seed = st.session_state.working_seed[np.isin(st.session_state.working_seed[:, 12], stack_var2)]
                 data_export = st.session_state.working_seed.copy()
                 for col in data_export[:, 0:9]:
                     data_export[col] = data_export[col].map(dk_id_dict)