Resolve "List connected group SAML identities for SAML SSO"

What does this MR do?

Original issue: #35308 (closed)

This MR introduces list of members, with connected saml identity on SAML SSO Group settings page

Screenshots

Does this MR meet the acceptance criteria?

Conformity

• Changelog entry
• Documentation (if required)
• Code review guidelines
• Merge request performance guidelines
• Style guides
• [-] Database guides
• [-] Separation of EE specific content

Availability and Testing

• Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.
• Tested in all supported browsers

Security