fix(ui): stub useIsOrgAdmin in role-gated admin page integration tests

The three admin-only page integration tests (guardrails-monitor, memory,
workflows) assert that fetchMock is never called for non-admin roles.
useIsOrgAdmin fires a GET /organization/list request under the hood, so
that expectation fails once the hook mounts. Stub the hook to false to
keep the network boundary silent for non-admin roles.

Co-authored-by: Krrish Dholakia <krrish-berri-2@users.noreply.github.com>

ui/litellm-dashboard/src/app/(dashboard)/guardrails-monitor/page.integration.test.tsx

@@ -9,6 +9,10 @@ vi.mock("@/app/(dashboard)/hooks/useAuthorized", () => ({
   default: useAuthorizedMock,
 }));
 
+vi.mock("@/app/(dashboard)/hooks/useIsOrgAdmin", () => ({
+  default: () => false,
+}));
+
 const fetchMock = vi.fn();
 
 const requestedUrls = () => fetchMock.mock.calls.map(([url]) => String(url));

ui/litellm-dashboard/src/app/(dashboard)/memory/page.integration.test.tsx

@@ -9,6 +9,10 @@ vi.mock("@/app/(dashboard)/hooks/useAuthorized", () => ({
   default: useAuthorizedMock,
 }));
 
+vi.mock("@/app/(dashboard)/hooks/useIsOrgAdmin", () => ({
+  default: () => false,
+}));
+
 const fetchMock = vi.fn();
 
 const requestedUrls = () => fetchMock.mock.calls.map(([url]) => String(url));

ui/litellm-dashboard/src/app/(dashboard)/workflows/page.integration.test.tsx

@@ -9,6 +9,10 @@ vi.mock("@/app/(dashboard)/hooks/useAuthorized", () => ({
   default: useAuthorizedMock,
 }));
 
+vi.mock("@/app/(dashboard)/hooks/useIsOrgAdmin", () => ({
+  default: () => false,
+}));
+
 const fetchMock = vi.fn();
 
 const requestedUrls = () => fetchMock.mock.calls.map(([url]) => String(url));