fix(ombi): resolve TV request status, user, and date display (Issue #53)

Ombi's TV API nests all request data (requestedUser, approved, available,
denied, requested, requestedDate) inside childRequests[] sub-objects.
The application previously only inspected top-level properties, causing
TV shows to consistently display 'unknown' status, 'unknown' user, and
no request date.

Changes:
- OmbiRetriever._hydrateRequest(): hydrate requestedUser on each
  childRequests entry and promote requestedDate to top level
- getRequestStatus() (server + client): aggregate status flags from
  childRequests[] when top-level properties are absent
- Client date display: fallback to childRequests[0].requestedDate
- Add 18 unit tests covering childRequests hydration, status
  aggregation, and date promotion

Closes #53

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "sofarr",
-  "version": "1.7.24",
+  "version": "1.7.25",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "sofarr",
-      "version": "1.7.24",
+      "version": "1.7.25",
       "license": "MIT",
       "dependencies": {
         "axios": "^1.6.0",