chore(editor): adjust size of synced doc (#12163)

Close [BS-3418](https://linear.app/affine-design/issue/BS-3418/折叠的embed-doc调整宽度时，会出现一个最小高度，不需要这个)

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

- **New Features**
  - Improved resizing and folding interactions for embedded synced documents in edgeless mode, including dynamic height calculation and enhanced drag-handle styling.
- **Bug Fixes**
  - Adjusted minimum height for synced document embeds to allow more compact display.
  - Ensured consistent width settings across embed cards.
- **Tests**
  - Added end-to-end tests covering folding, unfolding, and resizing behaviors for edgeless synced document embeds.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

blocksuite/affine/widgets/drag-handle/src/watchers/drag-event-watcher.ts

@@ -1089,7 +1089,7 @@ export class DragEventWatcher {
           block.flavour === 'affine:bookmark' ||
           block.flavour.startsWith('affine:embed-')
         ) {
-          const style = 'vertical' as EmbedCardStyle;
+          const style = (block.props.style ?? 'vertical') as EmbedCardStyle;
           block.props.style = style;
 
           blockBound.w = EMBED_CARD_WIDTH[style];