Ensure InAppMessagesManager will capture/send impressions even if there is no IAM lifecycle listener set by the app. (#1980)

* Ensure InAppMessagesManager will capture/send impressions even if there is no IAM lifecycle listener set by the app.

* Flip the logic of if/else check

Author: brismithers

OneSignalSDK/onesignal/in-app-messages/src/main/java/com/onesignal/inAppMessages/internal/InAppMessagesManager.kt

@@ -526,11 +526,12 @@ internal class InAppMessagesManager(
     }
 
     override fun onMessageWasDisplayed(message: InAppMessage) {
-        if (!lifecycleCallback.hasSubscribers) {
+        if (lifecycleCallback.hasSubscribers) {
+            lifecycleCallback.fireOnMain { it.onDidDisplay(InAppMessageLifecycleEvent(message)) }
+        }
+        else {
             Logging.verbose("InAppMessagesManager.onMessageWasDisplayed: inAppMessageLifecycleHandler is null")
-            return
         }
-        lifecycleCallback.fireOnMain { it.onDidDisplay(InAppMessageLifecycleEvent(message)) }
 
         if (message.isPreview) {
             return