UI - Update Avalonia to preview7

UI - Update FluentAvalonia to preview7

src/Artemis.UI/Screens/Debugger/Tabs/DataModel/DataModelDebugView.axaml

@@ -21,7 +21,7 @@
             </TextBlock>
         </StackPanel>
 
-        <TreeView Grid.Row="1" Items="{Binding MainDataModel.Children}">
+        <TreeView Grid.Row="1" ItemsSource="{Binding MainDataModel.Children}">
             <TreeView.Styles>
                 <Style Selector="TreeViewItem">
                     <Setter Property="IsExpanded" Value="{Binding IsVisualizationExpanded, Mode=TwoWay}" />

src/Artemis.UI/Screens/Debugger/Tabs/Performance/PerformanceDebugPluginView.axaml

@@ -12,7 +12,7 @@
                 <TextBlock Grid.Column="1" VerticalAlignment="Center" Classes="h5" Text="{Binding Plugin.Info.Name}" />
             </Grid>
 
-            <ItemsControl Items="{Binding Profilers}" />
+            <ItemsControl ItemsSource="{Binding Profilers}" />
         </StackPanel>
     </Border>
 </UserControl>

src/Artemis.UI/Screens/Debugger/Tabs/Performance/PerformanceDebugProfilerView.axaml

@@ -8,7 +8,7 @@
     <StackPanel>
         <TextBlock Classes="subtitle" Text="{Binding Profiler.Name}" Margin="10 10 0 0" />
 
-        <DataGrid Items="{Binding Measurements}"
+        <DataGrid ItemsSource="{Binding Measurements}"
                   CanUserSortColumns="True"
                   IsReadOnly="True"
                   AutoGenerateColumns="False"

src/Artemis.UI/Screens/Debugger/Tabs/Performance/PerformanceDebugView.axaml

@@ -34,7 +34,7 @@
 
 
         <ScrollViewer Grid.Row="2" VerticalScrollBarVisibility="Auto">
-            <ItemsControl Items="{Binding Items}" Margin="0 0 10 0" />
+            <ItemsControl ItemsSource="{Binding Items}" Margin="0 0 10 0" />
         </ScrollViewer>
     </Grid>
 

src/Artemis.UI/Screens/Debugger/Tabs/Performance/PerformanceDebugViewModel.cs

@@ -26,7 +26,7 @@ public class PerformanceDebugViewModel : ActivatableViewModelBase
     {
         _coreService = coreService;
         _pluginManagementService = pluginManagementService;
-        _updateTimer = new DispatcherTimer(TimeSpan.FromMilliseconds(500), DispatcherPriority.Normal, (_, _) => Update());
+        _updateTimer = new DispatcherTimer(TimeSpan.FromMilliseconds(500), DispatcherPriority.Background, (_, _) => Update());
 
         DisplayName = "Performance";