feat: add form validation for kesehatan module admin pages

- Added isFormValid() and isHtmlEmpty() helper functions
- Disabled submit buttons when required fields are empty
- Applied consistent validation pattern across all create/edit pages
- Validated fields: name, address, dates, descriptions, and image uploads
- Edit pages allow existing images, create pages require new uploads

Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>

src/app/admin/(dashboard)/landing-page/profil/media-sosial/create/page.tsx

@@ -24,7 +24,6 @@ import { toast } from 'react-toastify';
 import { useProxy } from 'valtio/utils';
 import profileLandingPageState from '../../../../_state/landing-page/profile';
 import SelectSosialMedia from '@/app/admin/(dashboard)/_com/selectSocialMedia';
-import { sosmedMap } from '@/app/admin/(dashboard)/landing-page/profil/_lib/sosmed';
 
 // ⭐ Tambah type SosmedKey
 type SosmedKey =