Force preview panel height

Author: Jack251970

Flow.Launcher/MainWindow.xaml

@@ -432,9 +432,13 @@
                             </ControlTemplate>
                         </GridSplitter.Template>
                     </GridSplitter>
+                    <!--  // TODO: Check Height Issue  -->
+                    <!--  I do not know why Preview grid height will be 0 when selected item is from history  -->
+                    <!--  So I add Height="380" to force its height to be set  -->
                     <Grid
                         x:Name="Preview"
                         Grid.Column="2"
+                        Height="380"
                         VerticalAlignment="Stretch"
                         Style="{DynamicResource PreviewArea}"
                         Visibility="{Binding InternalPreviewVisible, Converter={StaticResource BoolToVisibilityConverter}}">