refactor(editor): doc as store extension (#12170)

<!-- This is an auto-generated comment: release notes by coderabbit.ai -->

## Summary by CodeRabbit

- **New Features**
  - Introduced new exports related to workspace management, making additional workspace features available.

- **Refactor**
  - Updated how document and workspace types are imported and exported, consolidating and reorganizing module structure.
  - Shifted dependency management for document instances to use an internal provider mechanism.
  - Streamlined and centralized type imports across various modules.

- **Bug Fixes**
  - Removed an unused schema definition to improve code clarity.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

blocksuite/framework/store/src/transformer/type.ts

@@ -1,7 +1,7 @@
 import { z } from 'zod';
 
+import type { DocMeta, DocsPropertiesMeta } from '../extension';
 import type { Store } from '../model';
-import type { DocMeta, DocsPropertiesMeta } from '../model/workspace-meta';
 
 export type BlockSnapshot = {
   type: 'block';
@@ -41,13 +41,6 @@ export type CollectionInfoSnapshot = {
   properties: DocsPropertiesMeta;
 };
 
-export const CollectionInfoSnapshotSchema: z.ZodType<CollectionInfoSnapshot> =
-  z.object({
-    id: z.string(),
-    type: z.literal('info'),
-    properties: z.record(z.any()),
-  });
-
 export type DocSnapshot = {
   type: 'page';
   meta: DocMeta;