Refactor TotalEnergyConsumptionChart to accept chartData as a parameter that it takes from TotalEnergyConsumptionBlocand update TotalEnergyConsumptionChartBox to use Bloc for state management.

lib/pages/analytics/params/get_total_energy_consumption_param.dart

@@ -1,6 +1,6 @@
 class GetTotalEnergyConsumptionParam {
-  final String? startDate;
-  final String? endDate;
+  final DateTime? startDate;
+  final DateTime? endDate;
   final String? spaceId;
 
   GetTotalEnergyConsumptionParam({
@@ -11,8 +11,8 @@ class GetTotalEnergyConsumptionParam {
 
   Map<String, dynamic> toJson() {
     return {
-      'startDate': startDate,
-      'endDate': endDate,
+      'startDate': startDate?.toIso8601String(),
+      'endDate': endDate?.toIso8601String(),
       'spaceId': spaceId,
     };
   }