[FIX] avoid error when share_product_id is False (not share displayed)

easy_my_coop_website/controllers/main.py

@@ -302,6 +302,7 @@ class WebsiteSubscription(http.Controller):
                 methods=['POST'], website=True)
     def get_share_product(self, share_product_id, **kw):
         product_template = request.env['product.template']
+        if share_product_id:
             product = product_template.sudo().browse(int(share_product_id))
             return {
                 product.id: {
@@ -310,6 +311,8 @@ class WebsiteSubscription(http.Controller):
                     'force_min_qty': product.force_min_qty
                     }
                 }
+        else:
+            return False
 
     @http.route(['/subscription/subscribe_share'],
                 type='http',