refactor(editor): remove global types in model (#10082)

Closes: [BS-2249](https://linear.app/affine-design/issue/BS-2249/remove-global-types-in-model)

```ts
// before
matchFlavours(model, ['affine:page']);
// after
matchFlavours(model, [PageBlockModel]);
```

blocksuite/affine/model/src/blocks/divider/divider-model.ts

@@ -1,4 +1,4 @@
-import { defineBlockSchema, type SchemaToModel } from '@blocksuite/store';
+import { BlockModel, defineBlockSchema } from '@blocksuite/store';
 
 export const DividerBlockSchema = defineBlockSchema({
   flavour: 'affine:divider',
@@ -7,9 +7,14 @@ export const DividerBlockSchema = defineBlockSchema({
     role: 'content',
     children: [],
   },
+  toModel: () => new DividerBlockModel(),
 });
 
-export type DividerBlockModel = SchemaToModel<typeof DividerBlockSchema>;
+type Props = {
+  text: string;
+};
+
+export class DividerBlockModel extends BlockModel<Props> {}
 
 declare global {
   namespace BlockSuite {