fix: remove duplicate @rendermode directives

The sed command added @rendermode to multiple places in files with multiple
@page directives. Consolidated to single @rendermode per file.

Files fixed:
- AnnouncementEdit.razor
- ClientEdit.razor
- FaqEdit.razor

TaxBaik.Web.Client/Components/Admin/Pages/Announcements/AnnouncementEdit.razor

@@ -1,5 +1,4 @@
 @page "/admin/announcements/create"
-@rendermode InteractiveWebAssembly
 @page "/admin/announcements/{Id:int}/edit"
 @rendermode InteractiveWebAssembly
 @attribute [Authorize]

TaxBaik.Web.Client/Components/Admin/Pages/Clients/ClientEdit.razor

@@ -1,5 +1,4 @@
 @page "/admin/clients/create"
-@rendermode InteractiveWebAssembly
 @page "/admin/clients/{Id:int}/edit"
 @rendermode InteractiveWebAssembly
 @attribute [Authorize]

TaxBaik.Web.Client/Components/Admin/Pages/Faqs/FaqEdit.razor

@@ -1,5 +1,4 @@
 @page "/admin/faqs/create"
-@rendermode InteractiveWebAssembly
 @page "/admin/faqs/{Id:int}/edit"
 @rendermode InteractiveWebAssembly
 @attribute [Authorize]