refactor: 增加样式文件扩展名

Author: ArgoZhang

src/BootstrapBlazor/wwwroot/scss/components.scss

@@ -57,7 +57,7 @@
 @import "../../Components/Input/BootstrapInput.razor.scss";
 @import "../../Components/Input/BootstrapInputGroup.razor.scss";
 @import "../../Components/Input/FloatingLabel.razor.scss";
-@import "../../Components/Input/OtpInput.razor";
+@import "../../Components/Input/OtpInput.razor.scss";
 @import "../../Components/IpAddress/IpAddress.razor.scss";
 @import "../../Components/Layout/Layout.razor.scss";
 @import "../../Components/Layout/LayoutSplitebar.razor.scss";