fix(editor): should update icon status when formatting the entire block text (#10508)

Closes: [BS-2718](https://linear.app/affine-design/issue/BS-2718/当处于-block-selection-状态且对整段进行-formatting-时，应该更新对应图标状态)

blocksuite/affine/widget-toolbar/src/toolbar.ts

@@ -257,6 +257,19 @@ export class AffineToolbarWidget extends WidgetComponent {
         })
     );
 
+    disposables.add(
+      std.store.slots.blockUpdated.on(record => {
+        if (
+          flags.isBlock() &&
+          record.type === 'update' &&
+          record.props.key === 'text'
+        ) {
+          flags.refresh(Flag.Block);
+          return;
+        }
+      })
+    );
+
     // Handles `drag and drop`
     const dragStart = () => flags.toggle(Flag.Hiding, true);
     const dragEnd = () => flags.toggle(Flag.Hiding, false);