Add back button to create report view; fix change title not warning about unsaved

src/MayShow.Shared/ViewModels/CreatePDFReportViewModel.cs

@@ -114,6 +114,7 @@ class CreatePDFReportViewModel : BaseViewModel, ICanCheckShutdown, ILogger
             NotifyPropertyChanged();
             NotifyPropertyChanged(nameof(IsTitleBoxVisible));
             NotifyPropertyChanged(nameof(CanAddItem));
+            HasUnsavedWork = true;
         }
     }
 
@@ -341,19 +342,6 @@ class CreatePDFReportViewModel : BaseViewModel, ICanCheckShutdown, ILogger
         NotifyPropertyChanged(nameof(IsCreatePDFButtonEnabled));
     }
 
-    public async Task ShowSettings()
-    {
-        var updatedSettings = await DialogHost.Show(new SettingsViewModel(_settings, TopLevelGrabber));
-        if (updatedSettings != null)
-        {
-            _settings = (Settings)updatedSettings;
-            await _settings.SaveSettingsAsync();
-            LogInfo("Saved updated settings!");
-            NotifyPropertyChanged(nameof(DataGridDateFormat));
-            NotifyPropertyChanged(nameof(DataGridDateFormatWatermark));
-        }
-    }
-
     // https://github.com/AvaloniaUI/Avalonia/issues/10075
     public void EditFileProperties(object f) => EditFilePropertiesImpl((ReportFile)f);
     public async void EditFilePropertiesImpl(ReportFile file)
@@ -634,6 +622,15 @@ class CreatePDFReportViewModel : BaseViewModel, ICanCheckShutdown, ILogger
         IsCreatingPDF = false;
     }
 
+    public async void ReturnToMainMenu()
+    {
+        bool isSafeToReturn = await CheckIsSafeToShutdown();
+        if (isSafeToReturn)
+        {
+            PopViewModel();
+        }
+    }
+
     public async Task<bool> CheckIsSafeToShutdown()
     {
         if (!HasUnsavedWork || string.IsNullOrWhiteSpace(WorkingFolder))

src/MayShow.Shared/Views/CreatePDFReportView.axaml

@@ -15,6 +15,13 @@
   </UserControl.Resources>
   <Grid ColumnDefinitions="*"
         RowDefinitions="Auto, 2*, Auto, Auto, *">
+    <Button Command="{Binding ReturnToMainMenu}"
+            Grid.Row="0"
+            HorizontalAlignment="Left"
+            VerticalAlignment="Top"
+            Margin="4,4,0,4">
+        <TextBlock><Run Text="&#xf060;" FontFamily="{StaticResource FontAwesomeSolid}"/> Return to Main Menu</TextBlock>
+    </Button>
     <StackPanel Orientation="Vertical"
                 Spacing="2"
                 Margin="0,4,0,0">

src/MayShow.Shared/Views/ShutdownCheckView.axaml

@@ -18,7 +18,7 @@
                    FontWeight="Bold"
                    TextWrapping="Wrap"
                    FontSize="14"
-                   Text="Do you want to save your data before the program is closed?"/>
+                   Text="Do you want to save your data before closing?"/>
         <StackPanel Orientation="Horizontal"
                     Spacing="8">
             <Button Command="{Binding SaveAndShutdown}"
@@ -31,7 +31,7 @@
                     HorizontalAlignment="Right"
                     Margin="0,4,0,4"/>
             <Button Command="{Binding CancelShutdown}"
-                    Content="Cancel Program Shutdown"
+                    Content="Cancel"
                     HorizontalAlignment="Right"
                     Margin="0,4,0,4"/>
         </StackPanel>