fix(webview): Fix emitting events without payload on iOS

Author: sebj54

src/webview/index.ios.ts

@@ -758,7 +758,13 @@ export class WKScriptMessageHandlerNotaImpl extends NSObject implements WKScript
 
         try {
             const message = JSON.parse(webViewMessage.body as string);
-            owner.onWebViewEvent(message.eventName, JSON.parse(message.data));
+
+            try {
+                owner.onWebViewEvent(message.eventName, JSON.parse(message.data));
+            } catch (err) {
+                owner.writeTrace(`userContentControllerDidReceiveScriptMessage(${userContentController}, ${webViewMessage}) - couldn't parse data: ${message.data}`, Trace.messageType.error);
+                owner.onWebViewEvent(message.eventName, message.data);
+            }
         } catch (err) {
             owner.writeTrace(`userContentControllerDidReceiveScriptMessage(${userContentController}, ${webViewMessage}) - bad message: ${webViewMessage.body}`, Trace.messageType.error);
         }