Updating the Entra ID SAML doc with attribute clarification

Author: alex72508

src/content/docs/authenticate/enterprise-connections/entra-id-saml.mdx

@@ -127,7 +127,7 @@ You can make a connection available only to a specific organization, or you can
 2. Paste in the data you got from the SAML app:
    - IdP metadata URL
 3. Update the attributes
-   - Email key attribute (Principal name), such as `http://schemas.xmlsoap.org/ws/2005/05/identity/claims/name`
+   - Email key attribute (Email), such as `http://schemas.xmlsoap.org/ws/2005/05/identity/claims/emailaddress`
    - First name attribute (Given name), such as `http://schemas.xmlsoap.org/ws/2005/05/identity/claims/givenname`
    - Last name attribute (Surname), such as `http://schemas.xmlsoap.org/ws/2005/05/identity/claims/surname`
 4. (Optional) if you want to sign the SAML httpRequest: