fix need return button

MCTG/Views/ContentPages/MyProfil.xaml

@@ -9,9 +9,9 @@
         <local:EnumToValuesConverter x:Key="musicTypeToValueConverter"
                                      x:TypeArguments="model:Priority"/>
     </ContentPage.Resources>
-    <local:ContainerBase>
-        <local:ContainerBase.MyFlyoutContent NeedReturn="True">
-            <Grid RowDefinitions="250, *, *" VerticalOptions="Fill">
+    <local:ContainerBase NeedReturn="True">
+        <local:ContainerBase.MyFlyoutContent>
+            <Grid RowDefinitions="Auto, *, *" VerticalOptions="Center">
                 <VerticalStackLayout Grid.Row="1">
                     <Button Text="Mes Recettes" 
                             ImageSource="person_default.png" 

MCTG/Views/ContentViews/ContainerFlyout.xaml

@@ -12,7 +12,7 @@
 
             <Grid RowDefinitions="Auto, *">
                 <!-- Return -->
-                <local:ReturnButton NeedReturn="{Binding NeedReturn}" Grid.Row="0"
+                <local:ReturnButton NeedReturn="{Binding NeedReturn, Source={x:Reference fl}}" Grid.Row="0"
                                 HorizontalOptions="Start" Padding="10, 10, 0, 0"/>
                 <!-- Header -->
                 <ImageButton Source="person_default.png" HorizontalOptions="Center"