feat: added optin to add delegant for executor and change delegant

src/webparts/requestPortal/shared/dictionary/index.ts

@@ -0,0 +1,4 @@
+export { getDepartments } from './departments.service';
+export type { IDepartment } from './models/IDepartment';
+export { DepartmentPicker } from './ui/DepartmentPicker';
+export type { IDepartmentPickerProps } from './ui/DepartmentPicker';