Update default target exposure value in exposure management form from 0.25 to 0.50 for improved user experience.

app.py

@@ -1188,7 +1188,7 @@ with tab2:
             with st.expander('Exposure Management'):
                 with st.form(key='Exposures'):
                     exposure_player = st.selectbox("Player", options=sorted(list(player_names)))
-                    exposure_target = st.number_input("Target Exposure", value=.25, min_value=0.0, max_value=1.0, step=0.01)
+                    exposure_target = st.number_input("Target Exposure", value=.50, min_value=0.0, max_value=1.0, step=0.01)
                     if 'Stack' in st.session_state['working_frame'].columns:
                         exposure_stack_bool = st.selectbox("Maintain Stacks?", options=['Yes', 'No'], index=0)
                     else: