feat: Add shimmer loading skeletons for various pages and components

- Implemented `ClientHomePageSkeleton` for the client home page to display a loading state with shimmer effects.
- Created `OrderFormSkeleton` to mimic the layout of the order creation form while data is being fetched.
- Added `ViewOrdersPageSkeleton` to represent the loading state of the view orders page with placeholders for order cards.
- Updated `ClientHomeBody` to show the skeleton during loading states.
- Enhanced shimmer effects in `UiShimmerListItem`, `UiShimmerStatsCard`, and other UI components for consistency.
- Introduced `isDataLoaded` state in order-related BLoCs to manage loading states effectively.

apps/mobile/packages/core_localization/lib/src/l10n/en.i18n.json

@@ -325,6 +325,8 @@
   "client_create_order": {
     "title": "Create Order",
     "section_title": "ORDER TYPE",
+    "no_vendors_title": "No Vendors Available",
+    "no_vendors_description": "There are no staffing vendors associated with your account.",
     "types": {
       "rapid": "RAPID",
       "rapid_desc": "URGENT same-day Coverage",

apps/mobile/packages/core_localization/lib/src/l10n/es.i18n.json

@@ -325,6 +325,8 @@
   "client_create_order": {
     "title": "Crear Orden",
     "section_title": "TIPO DE ORDEN",
+    "no_vendors_title": "No Hay Proveedores Disponibles",
+    "no_vendors_description": "No hay proveedores de personal asociados con su cuenta.",
     "types": {
       "rapid": "R\u00c1PIDO",
       "rapid_desc": "Cobertura URGENTE mismo d\u00eda",