fix(yandex-ads): 광고 후 재생 액션을 유지한다

SodaLive/Sources/Common/YandexAdSupport.swift

@@ -238,6 +238,7 @@ final class YandexInterstitialAdManager: NSObject {
                     return
                 }
 
+                loadedAd.delegate = self
                 interstitialAd = loadedAd
             } catch {
                 if currentPlacement == placement {
@@ -259,14 +260,13 @@ final class YandexInterstitialAdManager: NSObject {
         }
 
         pendingAction = action
-        self.interstitialAd = nil
-        interstitialAd.delegate = self
         interstitialAd.show(from: presenter)
     }
 
     private func completePendingAction() {
         let action = pendingAction
         pendingAction = nil
+        interstitialAd = nil
         action?()
 
         if let currentPlacement {