Mixed block error on API request on the admin console

Following keycloak.js fails to load from the UI when behind a reverse proxy and KC_PROXY = `edge` · Issue #10817 · keycloak/keycloak · GitHub, After updating to version 18, the keycloak.js error was fixed, but once I get to the console page, I get the following “Mixed Block” errors from all API Requests:

I’ve checked the proxy, and it seems to be properly configured with the X-Forwarded-For, X-Forwarded-Proto, and X-Forwarded-Host HTTP headers.

Is there any other configuration needed?