Move files for better organization

src/ViewModels/EditFileViewModel.cs

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+#nullable enable
+
+using System;
+using System.Collections.ObjectModel;
+using System.Globalization;
+using System.IO;
+using System.Linq;
+using System.Threading.Tasks;
+using Avalonia.Platform.Storage;
+using Avalonia.Themes.Fluent;
+using DialogHostAvalonia;
+using ImageMagick;
+using MigraDoc.DocumentObjectModel;
+using MigraDoc.Rendering;
+using PdfSharp.Fonts;
+using PdfSharp.Pdf.IO;
+using PdfSharp.Snippets.Font;
+using ReceiptPDFBuilder.Interfaces;
+using ReceiptPDFBuilder.Models;
+
+namespace ReceiptPDFBuilder.ViewModels;
+
+class EditFileViewModel : BaseViewModel
+{
+    ReportFile _clonedFile;
+    ReportFile _originalFile;
+    
+    public EditFileViewModel(ReportFile file, IChangeViewModel viewModelChanger) : base(viewModelChanger)
+    {
+        _clonedFile = new ReportFile(file);
+        _originalFile = file;
+    }
+
+    public ReportFile OriginalFile
+    {
+        get => _originalFile;
+    }
+
+    public ReportFile ClonedFile
+    {
+        get => _clonedFile;
+    }
+
+    public void Cancel()
+    {
+        DialogHost.Close("DialogHost", null);
+    }
+
+    public void Save()
+    {
+        DialogHost.Close("DialogHost", ClonedFile);
+    }
+}