fix(ui): hide shared on workflow library

Author: psychedelicious

invokeai/frontend/web/src/app/store/nanostores/workflowCategories.ts

@@ -1,4 +1,4 @@
 import type { WorkflowCategory } from 'features/nodes/types/workflow';
 import { atom } from 'nanostores';
 
-export const $workflowCategories = atom<WorkflowCategory[]>(['user', 'default', 'project']);
+export const $workflowCategories = atom<WorkflowCategory[]>(['user', 'default']);