make a fix to IAM click listener

* We have some legacy logic about IAM direct influence but if there are multiple click listeners added, we only want this to update once, and not for every listener.

Author: nan-li

iOS_SDK/OneSignalSDK/Source/OSMessagingController.m

@@ -832,10 +832,13 @@ - (void)messageViewDidSelectAction:(OSInAppMessageInternal *)message withAction:
     if (action.promptActions && action.promptActions.count > 0)
         [self handlePromptActions:action.promptActions withMessage:message];
 
+    if (_clickListeners.count > 0) {
+        // Any outcome sent on the listener's callback should count as DIRECT from this IAM
+        [[OSSessionManager sharedSessionManager] onDirectInfluenceFromIAMClick:message.messageId];
+    }
+    
     for (NSObject<OSInAppMessageClickListener> *listener in _clickListeners) {
-        if (listener && [listener respondsToSelector:@selector(onClickInAppMessage:)]) {
-            // Any outcome sent on this callback should count as DIRECT from this IAM
-            [[OSSessionManager sharedSessionManager] onDirectInfluenceFromIAMClick:message.messageId];
+        if ([listener respondsToSelector:@selector(onClickInAppMessage:)]) {
             OSInAppMessageClickEvent *event = [[OSInAppMessageClickEvent alloc] initWithInAppMessage:message clickResult:action];
             [listener onClickInAppMessage:event];
         }