TF-1915 SendingState of SendingEmail updates according to the work done in WorkManager when network connectivity is restored

(cherry picked from commit 744c8bc8dc8a82cb3afb75aead5a744adaae5501)

lib/features/caching/caching_manager.dart

@@ -116,7 +116,7 @@ class CachingManager {
   }
 
   Future<void> _clearSendingEmailCache() async {
-    final listSendingEmails = await _sendingEmailCacheManager.getAllSendingEmails();
+    final listSendingEmails = await _sendingEmailCacheManager.getAllSendingEmails(needToReopen: true);
     final sendingIds = listSendingEmails.map((sendingEmail) => sendingEmail.sendingId).toSet().toList();
     if (sendingIds.isNotEmpty) {
       await Future.wait(

lib/features/caching/config/hive_cache_client.dart

@@ -131,8 +131,12 @@ abstract class HiveCacheClient<T> {
     });
   }
 
-  Future<void> deleteItem(String key) {
+  Future<void> deleteItem(String key, {bool needToReopen = false}) {
     return Future.sync(() async {
+      if (needToReopen) {
+        await closeBox();
+      }
+
       final boxItem = encryption
           ? await openBoxEncryption()
           : await openBox();