Various fixes for Windows version

- new installer based on InnoSetup
- add MIT license
- produce WinExe output
- other small fixes

Photomator/Views/StatusDialog.cs

@@ -9,7 +9,6 @@ namespace Photomator.Views;
 public partial class StatusDialog : Adw.Window {
     private readonly Adw.Application _application;
     private readonly Adw.ApplicationWindow _mainWindow;
-    private readonly ViewStack _stack;
     private readonly ProgressBar _progress;
 
     public StatusDialog(Adw.Application application, Adw.ApplicationWindow parent) : base() {
@@ -22,14 +21,8 @@ public partial class StatusDialog : Adw.Window {
         SetDeletable(true);
         SetDefaultSize(400, 500);
 
-        _stack = ViewStack.New();
-        _stack.SetVexpand(true);
-
         StatusPage pageStatus = InitPageProgress();
-        _stack.AddNamed(pageStatus, "page-status");
-        _stack.SetChildVisible(true);
-
-        SetContent(_stack);
+        SetContent(pageStatus);
     }
 
     public void Start() {
@@ -92,9 +85,7 @@ public partial class StatusDialog : Adw.Window {
 
     public void Success(int number, string dest) {
         StatusPage pageSuccess = InitPageSuccess(number, dest);
-        _stack.AddNamed(pageSuccess, "page-success");
-        _stack.SetVisibleChildName("page-success");
-        _stack.SetChildVisible(true);
+        SetContent(pageSuccess);
     }
 
     private StatusPage InitPagePartial(int number, string dest, ConvertError[] convertErrors) {
@@ -158,9 +149,7 @@ public partial class StatusDialog : Adw.Window {
 
     public void Partial(int number, string dest, ConvertError[] convertErrors) {
         StatusPage pagePartial = InitPagePartial(number, dest, convertErrors);
-        _stack.AddNamed(pagePartial, "page-partial");
-        _stack.SetVisibleChildName("page-partial");
-        _stack.SetChildVisible(true);
+        SetContent(pagePartial);
     }
 
     private StatusPage InitPageError(string error) {
@@ -208,8 +197,6 @@ public partial class StatusDialog : Adw.Window {
 
     public void Error(string error) {
         StatusPage pageError = InitPageError(error);
-        _stack.AddNamed(pageError, "page-error");
-        _stack.SetVisibleChildName("page-error");
-        _stack.SetChildVisible(true);
+        SetContent(pageError);
     }
 }