[localization] Fix template names in Japanese localization for .NET MAUI ContentPage and Window

[yamachu]

Description of Change

Due to a localization error, the template name is unintended.
This PR will correct that.

Current behaviors

$ dotnet new list
これらのテンプレートは、入力:  と一致しました

テンプレート名                                   短い名前                    言語        タグ                                                                         
-----------------------------------------------  --------------------------  ----------  -----------------------------------------------------------------------------
..NET MAUI ContentPage (C#)                      maui-page-csharp            [C#]        MAUI/Android/iOS/macOS/Mac Catalyst/WinUI/Tizen/Xaml/Code                    
..NET MAUI Window (C#)                           maui-window-csharp          [C#]        MAUI/Android/iOS/macOS/Mac Catalyst/WinUI/Tizen/Xaml/Code                    
.NET MAUI Blazor Hybrid and Web App              maui-blazor-web             [C#]        MAUI/Android/iOS/macOS/Mac Catalyst/Windows/Tizen/Blazor/Blazor Hybrid/Mobile
.NET MAUI Blazor アプリ                          maui-blazor                 [C#]        MAUI/Android/iOS/macOS/Mac Catalyst/Windows/Tizen/Blazor/Blazor Hybrid/Mobile

Issues Fixed

Fixes # ... None

[dotnet-policy-service]

Hey there @yamachu! Thank you so much for your PR! Someone from the team will get assigned to your PR shortly and we'll get it reviewed.

[jsuarezruiz]

/azp run

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