TF-4136 refactor(logging): replace logError with logWarning for non-critical cases

lib/features/mailbox_dashboard/domain/app_dashboard/app_dashboard_configuration_parser.dart

@@ -12,7 +12,7 @@ class AppDashboardConfigurationParser extends AppConfigParser<LinagoraApplicatio
       final jsonObject = jsonDecode(value);
       return LinagoraApplications.fromJson(jsonObject);
     } catch (e) {
-      logError('AppDashboardConfigurationParser::parse(): $e');
+      logWarning('AppDashboardConfigurationParser::parse(): $e');
       rethrow;
     }
   }

lib/features/mailbox_dashboard/domain/usecases/get_app_dashboard_configuration_interactor.dart

@@ -16,7 +16,7 @@ class GetAppDashboardConfigurationInteractor {
       final linagoraApps = await _appGridRepository.getLinagoraApplicationsFromEnvironment(path);
       yield Right(GetAppDashboardConfigurationSuccess(linagoraApps.apps));
     } catch (e) {
-      logError('GetAppDashboardConfigurationInteractor::execute(): $e');
+      logWarning('GetAppDashboardConfigurationInteractor::execute(): $e');
       yield Left(GetAppDashboardConfigurationFailure(e));
     }
   }