add batch controll box selection logic

lib/pages/device_managment/all_devices/models/devices_model.dart

@@ -1,3 +1,4 @@
+
 import 'package:syncrow_web/pages/device_managment/all_devices/models/room.dart';
 import 'package:syncrow_web/pages/device_managment/all_devices/models/unit.dart';
 
@@ -154,4 +155,65 @@ class AllDevicesModel {
     data['battery'] = batteryLevel;
     return data;
   }
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(this, other)) return true;
+  
+    return other is AllDevicesModel &&
+      other.room == room &&
+      other.unit == unit &&
+      other.productUuid == productUuid &&
+      other.productType == productType &&
+      other.permissionType == permissionType &&
+      other.activeTime == activeTime &&
+      other.category == category &&
+      other.categoryName == categoryName &&
+      other.createTime == createTime &&
+      other.gatewayId == gatewayId &&
+      other.icon == icon &&
+      other.ip == ip &&
+      other.lat == lat &&
+      other.localKey == localKey &&
+      other.lon == lon &&
+      other.model == model &&
+      other.name == name &&
+      other.nodeId == nodeId &&
+      other.online == online &&
+      other.ownerId == ownerId &&
+      other.sub == sub &&
+      other.timeZone == timeZone &&
+      other.updateTime == updateTime &&
+      other.uuid == uuid &&
+      other.batteryLevel == batteryLevel;
+  }
+
+  @override
+  int get hashCode {
+    return room.hashCode ^
+      unit.hashCode ^
+      productUuid.hashCode ^
+      productType.hashCode ^
+      permissionType.hashCode ^
+      activeTime.hashCode ^
+      category.hashCode ^
+      categoryName.hashCode ^
+      createTime.hashCode ^
+      gatewayId.hashCode ^
+      icon.hashCode ^
+      ip.hashCode ^
+      lat.hashCode ^
+      localKey.hashCode ^
+      lon.hashCode ^
+      model.hashCode ^
+      name.hashCode ^
+      nodeId.hashCode ^
+      online.hashCode ^
+      ownerId.hashCode ^
+      sub.hashCode ^
+      timeZone.hashCode ^
+      updateTime.hashCode ^
+      uuid.hashCode ^
+      batteryLevel.hashCode;
+  }
 }