refactor: admin ui를 fluent v5와 html 기반으로 전환

TaxBaik.Web/Components/Admin/Shared/ConfirmDialog.razor

@@ -1,20 +1,20 @@
-@using MudBlazor
-
-<MudDialog>
-    <DialogContent>
-        <MudText>@Message</MudText>
-    </DialogContent>
-    <DialogActions>
-        <MudButton OnClick="Cancel">취소</MudButton>
-        <MudButton Color="Color.Error" Variant="Variant.Filled" OnClick="Confirm">삭제</MudButton>
-    </DialogActions>
-</MudDialog>
+@using Microsoft.FluentUI.AspNetCore.Components
+<div class="admin-dialog">
+    <div class="admin-dialog-title">@Title</div>
+    <p class="admin-dialog-message">@Message</p>
+    <div class="admin-dialog-actions">
+        <FluentButton Appearance="ButtonAppearance.Transparent" @onclick="Cancel">취소</FluentButton>
+        <FluentButton Appearance="ButtonAppearance.Primary" @onclick="Confirm">삭제</FluentButton>
+    </div>
+</div>
 
 @code {
-    [CascadingParameter] MudDialogInstance MudDialog { get; set; } = null!;
     [Parameter] public string Title { get; set; } = "";
     [Parameter] public string Message { get; set; } = "";
 
-    private void Cancel() => MudDialog.Cancel();
-    private void Confirm() => MudDialog.Close();
+    [Parameter] public EventCallback OnCancel { get; set; }
+    [Parameter] public EventCallback OnConfirm { get; set; }
+
+    private Task Cancel() => OnCancel.InvokeAsync();
+    private Task Confirm() => OnConfirm.InvokeAsync();
 }