fix(admin): reduce crm mudblazor interop

src/TaxBaik.Web.Client/Components/Admin/Pages/ConsultingActivities.razor

@@ -98,16 +98,23 @@
     </TitleContent>
     <DialogContent>
         <MudForm @ref="form">
-            <MudSelect T="int" @bind-Value="activityForm.ClientId" Label="고객" Required="true" Variant="Variant.Outlined" FullWidth="true" Class="mb-4">
-                @foreach (var client in clients)
-                {
-                    <MudSelectItem Value="@client.Id">@GetClientDisplayName(client)</MudSelectItem>
-                }
-            </MudSelect>
+            <div class="mb-4">
+                <label class="mud-input-label mud-input-label-animated mud-input-label-outlined mb-1">고객</label>
+                <select class="mud-input mud-input-outlined mud-input-root mud-input-root-adorned-start"
+                        style="width: 100%; min-height: 56px; padding: 16px 14px;"
+                        value="@activityForm.ClientId"
+                        @onchange="e => activityForm.ClientId = int.TryParse(e.Value?.ToString(), out var clientId) ? clientId : 0">
+                    <option value="0">고객을 선택하세요.</option>
+                    @foreach (var client in clients)
+                    {
+                        <option value="@client.Id">@GetClientDisplayName(client)</option>
+                    }
+                </select>
+            </div>
             <CommonCodeSelect @bind-Value="activityForm.ActivityType" Group="CONSULTING_ACTIVITY_TYPE" Label="활동 유형" Class="mb-4" Required="true" />
-            <MudDatePicker @bind-Date="activityForm.ActivityDate" Label="활동일" Variant="Variant.Outlined" FullWidth="true" Class="mb-4" Required="true" />
+            <MudTextField T="string" Label="활동일" Variant="Variant.Outlined" FullWidth="true" Class="mb-4" Required="true" Value="@(activityForm.ActivityDate?.ToString("yyyy-MM-dd HH:mm") ?? string.Empty)" />
             <MudTextField T="string" @bind-Value="activityForm.Description" Label="설명" Variant="Variant.Outlined" FullWidth="true" Lines="3" Class="mb-4" Required="true" />
-            <MudDatePicker @bind-Date="activityForm.NextFollowupDate" Label="다음 팔로업일" Variant="Variant.Outlined" FullWidth="true" Class="mb-4" />
+            <MudTextField T="string" Label="다음 팔로업일" Variant="Variant.Outlined" FullWidth="true" Class="mb-4" Value="@(activityForm.NextFollowupDate?.ToString("yyyy-MM-dd") ?? string.Empty)" />
         </MudForm>
     </DialogContent>
     <DialogActions>