message: Fix BitmapText crash after destroy
diff: @@ -897,6 +897,10 @@ export class BitmapText extends Container
  ? pageMeshDataDefaultPageMeshData : pageMeshDataMSDFPageMeshData;
  pageMeshDataPool.push(...this._activePagesMeshData);
  + for (const data of this._activePagesMeshData)
  + {
  + this.removeChild(data.mesh);
  + }
  this._activePagesMeshData = [];
  // Release references to any cached textures in page pool
  