Wait for both stats requests to finish before binding sessions card VM

Author: rachelmcr

WooCommerce/Classes/ViewRelated/Dashboard/Analytics Hub/AnalyticsHubViewModel.swift

@@ -261,8 +261,8 @@ private extension AnalyticsHubViewModel {
                 self.itemsSoldCard = AnalyticsHubViewModel.productsItemsSoldCard(itemsSoldStats: itemsSoldStats)
             }.store(in: &subscriptions)
 
-        Publishers.CombineLatest($currentOrderStats, $siteStats)
-            .sink { [weak self] currentOrderStats, siteStats in
+        $currentOrderStats.zip($siteStats)
+            .sink { [weak self] (currentOrderStats, siteStats) in
                 guard let self else { return }
 
                 self.sessionsCard = AnalyticsHubViewModel.sessionsCard(currentPeriodStats: currentOrderStats, siteStats: siteStats)