message: Fix dereferencing textures for BitmapText
diff: @@ -895,6 +895,17 @@ export class BitmapText extends Container
  destroy(options?: boolean | IDestroyOptions): void
  {
  const { _textureCache } = this;
  + const data = BitmapFont.available[this._fontName];
  + const pageMeshDataPool = data.distanceFieldType === 'none'
  + ? pageMeshDataDefaultPageMeshData : pageMeshDataMSDFPageMeshData;
  +
  + // Release references to any cached textures in page pool
  + pageMeshDataPool
  + .filter((page) => _textureCache[page.mesh.texture.baseTexture.uid])
  + .forEach((page) =>
  + {
  + page.mesh.texture = Texture.EMPTY;
  + });
  for (const id in _textureCache)
  {
  