Should save .xaml file in UTF8 without BOM.

Issue Description

Should save .xaml file in UTF8 without BOM. Now when .xaml file is modified, it is saved in UTF8 with BOM, which can’t be compiled properly.

Steps to Reproduce

Expected Behavior

Should save .xaml file in UTF8 without BOM.

Actual Behavior

.xaml file is saved in UTF8 with BOM.

Screenshots / Screen Recordings

Operating System

Windows 10

Current Qoder Version (Menu → About Qoder → Copy)

Version: 0.1.20
VSCode Version: 1.100.0 (user setup)
Commit: bb7f40c9458d6437a38f9ea187fcd2ab0389eb1e
Date: 2025-08-30T05:15:07.538Z
Electron: 34.5.1
Chromium: 132.0.6834.210
Node.js: 20.19.0
V8: 13.2.152.41-electron.0
OS: Windows_NT x64 10.0.19045