possible fix for disappearing campaigns on back

@@ -13,7 +13,13 @@ import SwiftEventBus
     @IBOutlet weak var mainView: UIView!
     @IBOutlet weak var tableView: UITableView!
     
-    public var campaigns:Array<swiftApi.CampaignItemModel> = []
+    public var campaigns:Array<swiftApi.CampaignItemModel> = [] {
+        didSet {
+            DispatchQueue.main.async {
+                self.tableView.reloadData()
+            }
+        }
+    }
     public var seasonalList:Array<swiftApi.LoyaltyGiftsForYouPackage> = swiftApi().getSeasonalList()
     public var ccmsList:Array<swiftApi.LoyaltyContextualOfferModel> = swiftApi().getCCMSLoyaltyCampaigns()
     public var loyaltyList:Array<swiftApi.CampaignItemModel> = swiftApi().mergeGFYCCMSLoyaltyCampaigns(campaigns: swiftApi().getCCMSLoyaltyCampaigns())

@@ -13,7 +13,13 @@ import SwiftEventBus
     @IBOutlet weak var mainView: UIView!
     @IBOutlet weak var tableView: UITableView!
 
-    var categories: Array<CampaignCategory> = [CampaignCategory]()
+    var categories: Array<CampaignCategory> = [CampaignCategory]() {
+        didSet {
+            DispatchQueue.main.async {
+                self.tableView.reloadData()
+            }
+        }
+    }
     
     public var campaigns:Array<swiftApi.CampaignItemModel> = []
     public var loyaltyList:Array<swiftApi.CampaignItemModel> = swiftApi().mergeMFYCCMSLoyaltyCampaigns(campaigns: swiftApi().getCCMSLoyaltyCampaigns())