TF-4136 Fix duplicate Executor instance creation.

lib/main/main_entry.dart

@@ -3,6 +3,7 @@ import 'package:core/utils/build_utils.dart';
 import 'package:core/utils/config/env_loader.dart';
 import 'package:core/utils/platform_info.dart';
 import 'package:flutter/widgets.dart';
+import 'package:get/get.dart';
 import 'package:tmail_ui_user/features/caching/config/hive_cache_config.dart';
 import 'package:tmail_ui_user/main.dart';
 import 'package:tmail_ui_user/main/bindings/main_bindings.dart';
@@ -22,11 +23,11 @@ Future<void> runTmailPreload() async {
   await Future.wait([
     MainBindings().dependencies(),
     HiveCacheConfig.instance.setUp(),
-    Executor().warmUp(log: BuildUtils.isDebugMode),
     EnvLoader.loadEnvFile(),
     if (PlatformInfo.isWeb) AssetPreloader.preloadHtmlEditorAssets(),
-  ]);
+  ], eagerError: false);
 
+  await Get.find<Executor>().warmUp(log: BuildUtils.isDebugMode);
   await CozyIntegration.integrateCozy();
   await HiveCacheConfig.instance.initializeEncryptionKey();