feat: impersonation roles (#7442)

* partial work done

* test IAM membership roles

* org membership tests

* console :(, translations and docs

* fix integration test

* fix tests

* add EnableImpersonation to security policy API

* fix integration test timestamp checking

* add security policy tests and fix projections

* add impersonation setting in console

* add security settings to the settings v2 API

* fix typo

* move impersonation to instance

---------

Co-authored-by: Livio Spring <livio.a@gmail.com>

internal/api/http/middleware/instance_interceptor_test.go

@@ -345,6 +345,10 @@ func (m *mockInstance) SecurityPolicyAllowedOrigins() []string {
 	return nil
 }
 
+func (m *mockInstance) EnableImpersonation() bool {
+	return false
+}
+
 func (m *mockInstance) Features() feature.Features {
 	return feature.Features{}
 }