Added persistent unique ids to all elements

I18N Commander/DataModel/MigrationScripts/202211AddUniqueIds.cs

@@ -0,0 +1,23 @@
+using DataModel.Database.Common;
+
+namespace DataModel.MigrationScripts;
+
+public static class Script202211AddUniqueIds
+{
+    public static async Task PostMigrationAsync(DataContext db)
+    {
+        await foreach (var setting in db.Settings)
+            setting.UniqueId = Guid.NewGuid();
+        
+        await foreach(var section in db.Sections)
+            section.UniqueId = Guid.NewGuid();
+        
+        await foreach (var textElement in db.TextElements)
+            textElement.UniqueId = Guid.NewGuid();
+        
+        await foreach (var translation in db.Translations)
+            translation.UniqueId = Guid.NewGuid();
+
+        await db.SaveChangesAsync();
+    }
+}