fix(blocks): incorrect viewport of embed linked doc with edgeless mode (

#8785)

Close [BS-1881](https://linear.app/affine-design/issue/BS-1881/page内的edgeless-embed-缩放和坐标定位不太对)

This PR fixed the viewport is not fit to content if the synced doc block link to a edgeless mode doc. The test will be add in AFFiNE side.

packages/affine/block-embed/src/embed-synced-doc-block/embed-edgeless-synced-doc-block.ts

@@ -21,8 +21,7 @@ export class EmbedEdgelessSyncedDocBlockComponent extends toEdgelessEmbedBlock(
   EmbedSyncedDocBlockComponent
 ) {
   protected override _renderSyncedView = () => {
-    const syncedDoc = this.syncedDoc;
-    const editorMode = this.syncedDocMode;
+    const { syncedDoc, editorMode } = this;
 
     assertExists(syncedDoc, 'Doc should exist');
 

packages/affine/block-embed/src/embed-synced-doc-block/embed-synced-doc-block.ts

@@ -52,7 +52,7 @@ export class EmbedSyncedDocBlockComponent extends EmbedBlockComponent<EmbedSynce
 
   private _initEdgelessFitEffect = () => {
     const fitToContent = () => {
-      if (this.syncedDocMode !== 'edgeless') return;
+      if (this.isPageMode) return;
 
       const controller = this.syncedDocEditorHost?.std.getOptional(
         GfxControllerIdentifier