refactor(editor): add schema on block model (#9815)

blocksuite/affine/block-image/src/image-resize-manager.ts

@@ -23,9 +23,9 @@ export class ImageResizeManager {
     assertExists(this._imageContainer);
 
     const dragModel = getModelByElement(this._activeComponent);
-    dragModel?.page.captureSync();
+    dragModel?.doc.captureSync();
     const { width, height } = this._imageContainer.getBoundingClientRect();
-    dragModel?.page.updateBlock(dragModel, {
+    dragModel?.doc.updateBlock(dragModel, {
       width: width / this._zoom,
       height: height / this._zoom,
     });

blocksuite/affine/block-paragraph/src/commands/split-paragraph.ts

@@ -60,7 +60,7 @@ export const splitParagraphCommand: Command<
   store.captureSync();
   const right = model.text.split(splitIndex, splitLength);
   const id = store.addBlock(
-    model.flavour,
+    model.flavour as BlockSuite.Flavour,
     {
       text: right,
       type: model.type,

blocksuite/affine/block-paragraph/src/paragraph-keymap.ts

@@ -134,7 +134,7 @@ export const ParagraphKeymapExtension = KeymapExtension(
 
           const rightText = model.text.split(range.index);
           const newId = store.addBlock(
-            model.flavour,
+            model.flavour as BlockSuite.Flavour,
             { type: model.type, text: rightText },
             parent,
             index + collapsedSiblings.length + 1

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

@@ -38,8 +38,6 @@ export const ParagraphBlockSchema = defineBlockSchema({
 });
 
 export class ParagraphBlockModel extends BlockModel<ParagraphProps> {
-  override flavour!: 'affine:paragraph';
-
   override text!: Text;
 
   override isEmpty(): boolean {