Refine date selection logic in app.py for improved clarity

- Updated the date selection dropdown to first extract unique dates and then sort them in descending order, enhancing the user experience by ensuring the most recent contests are prioritized.
- Maintained the existing functionality for contest name retrieval based on the selected date, ensuring consistency in data handling.

app.py

@@ -58,7 +58,9 @@ with tab1:
         contest_names, contest_id_map, curr_info = grab_contest_names(db, sport_select)
         
     with col3:
-        date_select = st.selectbox("Select Date", curr_info['Date'].unique().sort_values(ascending=False), key='date_select')
+        date_list_raw = curr_info['Date'].unique()
+        date_list = date_list_raw.sort_values(ascending=False)
+        date_select = st.selectbox("Select Date", date_list, key='date_select')
         
         name_parse = curr_info[curr_info['Date'] == date_select]['Contest Name'].reset_index(drop=True)
         date_select = date_select.replace('-', '')