✨(frontend) enhance document sharing and access management

- Introduced new utility functions for managing document sharing,
including `searchUserToInviteToDoc`, `addMemberToDoc`, and
`updateShareLink`.
- Updated existing tests to verify inherited share access and link
visibility features.
- Refactored document access handling in tests to improve clarity and
maintainability.
- Added comprehensive tests for inherited share functionalities,
ensuring proper role and access management for subpages.

src/frontend/apps/e2e/__tests__/app-impress/doc-grid.spec.ts

@@ -170,6 +170,7 @@ test.describe('Document grid item options', () => {
               link_reach: 'restricted',
               created_at: '2021-09-01T09:00:00Z',
               user_roles: ['editor'],
+              user_role: 'editor',
             },
           ],
         },