Fix loading-bar margin when no-item situation

Flow.Launcher/MainWindow.xaml

@@ -180,7 +180,10 @@
             Modifiers="{Binding OpenResultCommandModifiers}" />
     </Window.InputBindings>
     <Grid>
-        <Border MouseDown="OnMouseDown" Style="{DynamicResource WindowBorderStyle}">
+        <Border
+            ClipToBounds="True"
+            MouseDown="OnMouseDown"
+            Style="{DynamicResource WindowBorderStyle}">
             <StackPanel Orientation="Vertical">
                 <Grid>
                     <Border Style="{DynamicResource QueryBoxBgStyle}">

Flow.Launcher/ResultListBox.xaml

@@ -7,7 +7,6 @@
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     xmlns:vm="clr-namespace:Flow.Launcher.ViewModel"
     MaxHeight="{Binding MaxHeight}"
-    Margin="{DynamicResource ResultMargin}"
     HorizontalContentAlignment="Stretch"
     d:DataContext="{d:DesignInstance vm:ResultsViewModel}"
     d:DesignHeight="100"

Flow.Launcher/Themes/Base.xaml

@@ -248,8 +248,9 @@
         <Setter Property="Background" Value="Transparent" />
         <Setter Property="ScrollViewer.HorizontalScrollBarVisibility" Value="Disabled" />
         <Setter Property="ScrollViewer.VerticalScrollBarVisibility" Value="Auto" />
-        <Setter Property="Margin" Value="0,0,0,0" />
+        <Setter Property="Margin" Value="{DynamicResource ResultMargin}" />
         <Setter Property="Padding" Value="0,0,0,0" />
+
         <Setter Property="Template">
             <Setter.Value>
                 <ControlTemplate TargetType="ListBox">
@@ -273,6 +274,11 @@
                 </ControlTemplate>
             </Setter.Value>
         </Setter>
+        <Style.Triggers>
+            <DataTrigger Binding="{Binding RelativeSource={RelativeSource Self}, Path=Items.Count}" Value="0">
+                <Setter Property="Margin" Value="0" />
+            </DataTrigger>
+        </Style.Triggers>
     </Style>
 
     <!--  ScrollViewer Style  -->
@@ -360,7 +366,6 @@
         <Style.Triggers>
             <MultiDataTrigger>
                 <MultiDataTrigger.Conditions>
-                    <Condition Binding="{Binding ElementName=QueryTextBox, UpdateSourceTrigger=PropertyChanged, Path=Text.Length}" Value="0" />
                     <Condition Binding="{Binding ElementName=ResultListBox, Path=Visibility}" Value="Collapsed" />
                     <Condition Binding="{Binding ElementName=ContextMenu, Path=Visibility}" Value="Collapsed" />
                     <Condition Binding="{Binding ElementName=History, Path=Visibility}" Value="Collapsed" />