Furthermore, I do not see any HTML <meta> for robots in the source code view for your website.
Neither I do se a canonical <link>.
I am afraid this is not an Cloudflare issue here.
Also if you could confirm you do not see any of the challenged/blocked Firewall Events from Google ASN → but the above Google Tests Tool passed fine and it’s good, so I doubt it’s that.
Kindly, modify your robots.txt file and re-send your sitemap to Google Search Console again.
Add the missing HTML <meta> tag to each webpage.
Add the missing canonical <link> tag to each webpage.
After submitting the sitemap to Google Search Console, manually ping Google to re-crawl and re-index your sitemap by visiting below url:
Maybe you might want to point your domain name or rather HTTPS property from Google Search Console to the correct Language / Region as it’s related to your website visitors, to make sure the results show up in Google.com better and rather than in Google.hr for example.