Fix crash when an IAM click action does not have an id

Author: emawby

iOS_SDK/OneSignalSDK/Source/OSMessagingController.m

@@ -793,6 +793,11 @@ - (void)sendClickRESTCall:(OSInAppMessageInternal *)message withAction:(OSInAppM
     // Handles body, button, or image clicks
     if (![self isClickAvailable:message withClickId:clickId])
         return;
+    
+    if (!clickId) {
+        [OneSignalLog onesignalLog:ONE_S_LL_ERROR message:@"sendClickRESTCall:withAction: call could not be made because the click action does not have an id."];
+        return;
+    }
     // Add clickId to clickedClickIds
     [self.clickedClickIds addObject:clickId];
     // Track clickId per IAM