store internal email disclosed through shopify-data-exporter

## Summary: Hey Shopify, When a store install ```shopify-data-exporter``` app to export various data of the store a link is sent to the store internal email. This internal email is disclosed via the below request to anyone ```json GET /?shop=your_store.myshopify.com HTTP/2 Host: shopify-data-exporter.shopifycloud.com ``` {F1779393} ## Shops Used to Test: [xentest11.myshopify.com] ## Relevant Request IDs: [54bb78a050a2fddbc3ae360ff72d1d3e] ## Steps To Reproduce: 1. Install ```shopify-data-exporter``` in your store (```https://apps.shopify.com/data-exporter-tax-compliance```) 2. After installing the app just add your store link in ```shop``` parameter in the above shown request 3. In the response check for ```data-recipient``` attribute. It exposes the internal store email. ## Impact Store internal email disclose to anyone in ```shopify-data-exporter.shopifycloud.com?shop=``` via ```data-recipient``` attribute