Fix slate name generation in showdown slate functions to use the first entry of slate data, ensuring accurate team and opponent representation.

src/streamlit_app.py

@@ -80,7 +80,7 @@ def define_dk_showdown_slates():
 
     for slate in unique_slates:
         slate_data = raw_display[raw_display['slate'] == slate]
-        slate_name = slate_data['Team'] + ' vs. ' + slate_data['Opp']
+        slate_name = slate_data.iloc[0]['Team'] + ' vs. ' + slate_data.iloc[0]['Opp']
         slate_names.append(slate_name)
     
     slate_name_lookup = dict(zip(slate_names, unique_slates))
@@ -97,7 +97,7 @@ def define_fd_showdown_slates():
 
     for slate in unique_slates:
         slate_data = raw_display[raw_display['slate'] == slate]
-        slate_name = slate_data['Team'] + ' vs. ' + slate_data['Opp']
+        slate_name = slate_data.iloc[0]['Team'] + ' vs. ' + slate_data.iloc[0]['Opp']
         slate_names.append(slate_name)
     
     slate_name_lookup = dict(zip(slate_names, unique_slates))