feat(customers): Add filtering functionality to customer list table

- Create new CustomerListFilters component with status, role, and type filter options
- Integrate filter modal into customer list table with open/close functionality
- Add filter form handling with react-hook-form for managing filter state
- Implement search functionality triggered by filter form submission
- Add EmptyListWrapper component to display message when no customers found
- Replace inline create button with reusable ListHeader component
- Add clearable select fields for better filter UX
- Update customer table to safely handle optional customer properties
- Add new CustomerStatus and CustomerType enums to support filtering options
- Improve table organization with proper imports and component structure

src/constants/enums.ts

@@ -39,3 +39,13 @@ export enum AdminRoles {
   ADMIN = "admin",
   ANALYST = "analyst",
 }
+export enum CustomerStatus {
+  ACTIVE = "active",
+  INACTIVE = "inactive",
+  SUSPENDED = "suspended",
+}
+export enum CustomerType {
+  INDIVIDUAL = "individual",
+  COMPANY = "company",
+  GOVERNMENT = "government",
+}