TF-1810 Add GetDetailedEmailByIdInteractor to get detailed email

(cherry picked from commit 765cebec00ae26458fe7f5e17ec6026f82f1fd0f)

lib/features/email/data/datasource_impl/email_datasource_impl.dart

@@ -154,4 +154,11 @@ class EmailDataSourceImpl extends EmailDataSource {
   Future<void> storeDetailedEmailToCache(Session session, AccountId accountId, DetailedEmail detailedEmail) {
     throw UnimplementedError();
   }
+
+  @override
+  Future<Email> getDetailedEmailById(Session session, AccountId accountId, EmailId emailId) {
+    return Future.sync(() async {
+      return await emailAPI.getDetailedEmailById(session, accountId, emailId);
+    }).catchError(_exceptionThrower.throwException);
+  }
 }

lib/features/email/data/datasource_impl/email_hive_cache_datasource_impl.dart

@@ -133,4 +133,9 @@ class EmailHiveCacheDataSourceImpl extends EmailDataSource {
   Future<Email> updateEmailDrafts(Session session, AccountId accountId, Email newEmail) {
     throw UnimplementedError();
   }
+
+  @override
+  Future<Email> getDetailedEmailById(Session session, AccountId accountId, EmailId emailId) {
+    throw UnimplementedError();
+  }
 }