feat: Implement API endpoint to show saml auth provider

packages/backend/test/mocks/rest/api/v1/saml-auth-providers/get-saml-auth-provider.ee.js

@@ -0,0 +1,29 @@
+const getSamlAuthProvidersMock = async (samlAuthProvider) => {
+  const data = {
+    active: samlAuthProvider.active,
+    certificate: samlAuthProvider.certificate,
+    defaultRoleId: samlAuthProvider.defaultRoleId,
+    emailAttributeName: samlAuthProvider.emailAttributeName,
+    entryPoint: samlAuthProvider.entryPoint,
+    firstnameAttributeName: samlAuthProvider.firstnameAttributeName,
+    id: samlAuthProvider.id,
+    issuer: samlAuthProvider.issuer,
+    name: samlAuthProvider.name,
+    roleAttributeName: samlAuthProvider.roleAttributeName,
+    signatureAlgorithm: samlAuthProvider.signatureAlgorithm,
+    surnameAttributeName: samlAuthProvider.surnameAttributeName,
+  };
+
+  return {
+    data: data,
+    meta: {
+      count: 1,
+      currentPage: null,
+      isArray: false,
+      totalPages: null,
+      type: 'SamlAuthProvider',
+    },
+  };
+};
+
+export default getSamlAuthProvidersMock;