Grafana Dashboard Embbed Blank

Hello guys, i need help with some issues.

My Grafana (HTTP) dashboards embbed everything ok, but, now i’m trying to embbed dashboards in my WordPress page (HTTPS).

Grafana Version: 8.4.5

This method don’t give me nothing. Dashboard blank.

Anonymous Auth = True
SameServer Cookies = none

If i put this same url iframe on notepad and save with .html extension, works.

Thank you guys for attention.