Cambios para que se despliege los usernames

screens/main/Confirm.js

         />
        <Button
         title ='Ver mapa'
-        onPress= {() => navigation.navigate('Map')}
+        onPress= {() => navigation.navigate('Map',{View_Only: true, Confirm_Flag: true, Pin: appointments})}
       />
       <FlatList style={{
              flex: 1,