test(audit): mock company route activity logging

Co-Authored-By: Paperclip <noreply@paperclip.ing>

server/src/__tests__/companies-route-cross-company-authz.test.ts

@@ -47,6 +47,10 @@ const mockFeedbackService = vi.hoisted(() => ({
 const mockLogActivity = vi.hoisted(() => vi.fn());
 
 function registerCompanyRouteMocks() {
+  vi.doMock("../services/activity-log.js", () => ({
+    logActivity: mockLogActivity,
+  }));
+
   vi.doMock("../services/index.js", () => ({
     accessService: () => mockAccessService,
     agentService: () => mockAgentService,