feat: 增加 FooterContentTemplate 参数

Author: ArgoZhang

src/BootstrapBlazor/Components/Modal/ModalDialog.razor

@@ -50,6 +50,12 @@
                     @if (ShowFooter)
                     {
                         <div class="modal-footer">
+                            @if (FooterContentTemplate != null)
+                            {
+                                <div class="modal-footer-content">
+                                    @FooterContentTemplate
+                                </div>
+                            }
                             @if (ShowCloseButton)
                             {
                                 <Button Color="Color.Secondary" Text="@CloseButtonText" Icon="@CloseButtonIcon" OnClickWithoutRender="OnClickCloseAsync"></Button>

src/BootstrapBlazor/Components/Modal/ModalDialog.razor.cs

@@ -200,6 +200,12 @@ public partial class ModalDialog : IHandlerException
     [Parameter]
     public RenderFragment? FooterTemplate { get; set; }
 
+    /// <summary>
+    /// Gets or sets the footer content template. Default is null.
+    /// </summary>
+    [Parameter]
+    public RenderFragment? FooterContentTemplate { get; set; }
+
     /// <summary>
     /// 获得/设置 ModalHeader 组件
     /// </summary>