feat: add issue privacy ACL foundation

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

packages/plugins/examples/plugin-orchestration-smoke-example/tests/plugin.spec.ts

@@ -15,6 +15,8 @@ function issue(input: Partial<Issue> & Pick<Issue, "id" | "companyId" | "title">
     projectWorkspaceId: null,
     goalId: null,
     parentId: null,
+    visibility: "open",
+    privacyRootIssueId: null,
     title,
     description: null,
     status: "todo",