Fix reporting uuid parsing (opensearch-project#300)

Signed-off-by: Joshua Li <joshuali925@gmail.com>

public/components/context_menu/context_menu.js

@@ -124,7 +124,7 @@ const generateInContextReport = async (
 
 // try to match uuid and user entered custom-id followed by '?' in URL, which would be the saved search id for discover URL
 // custom id example: v1s-f00-b4r1-01, Filebeat-Apache-Dashboard-ecs,
-const getUuidFromUrl = () => window.location.href.match(/[0-9a-zA-Z-]+\?/);
+const getUuidFromUrl = () => window.location.href.match(/([0-9a-zA-Z-]+)\?/);
 const isDiscover = () => window.location.href.includes('discover');
 
 // open Download drop-down