fix(admin): exclude whitelisted users from blacklist in admin state and fix unit tests

- Modified `sanitizeAdminState` in `js/adminListStore.js` to ensure whitelisted users are automatically excluded from the blacklist.
- Updated `tests/admin-list-store.test.mjs` to use `throw-community` failure mode in the mock pool, fixing a flaky test case that incorrectly assumed base lists would load when `throw-authors` was active.
- Updated `tests/ui/tag-pill-list.test.mjs` to expect `#` prefixed tags, aligning with recent UI changes.

Co-authored-by: PR0M3TH3AN <[email protected]>

js/adminListStore.js

@@ -202,6 +202,7 @@ function sanitizeAdminState(state = {}) {
     normalizeNpub(ADMIN_SUPER_NPUB),
     ...ADMIN_EDITORS_NPUBS.map(normalizeNpub),
     ...sanitizedEditors.map(normalizeNpub),
+    ...sanitizedWhitelist.map(normalizeNpub),
   ]);
 
   const sanitizedBlacklist = sanitizeNpubList(state.blacklist || []).filter(