Wrong string resource loaded.

[lighterhy]

Describe the bug
We should use CultureInfo.CurrentUICulture instead of CultureInfo.CurrentCulture when loading resources.

For language & region settings in my system:

CultureInfo.CurrentCulture returns zh-CN, But actually en-US is my prefered display language. This cause my UI like this:

Screenshots

Desktop/Platform (please complete the following information):

• OS: All
• FluentAvalonia Version: 2.4.0 is used
• Avalonia Version: 11.3.6

Additional context