message: Fix: Clear full texture in filter system
diff: @@ -218,7 +218,7 @@ export class FilterSystem extends System
  state.renderTexture.filterFrame = state.sourceFrame;
  renderer.renderTexture.bind(state.renderTexture, state.sourceFrame, destinationFrame);
  - renderer.renderTexture.clear();
  + renderer.framebuffer.clear(0, 0, 0, 0);
  }
  /**
  @@ -341,7 +341,7 @@ export class FilterSystem extends System
  if (clearMode === CLEAR_MODES.CLEAR
  || (clearMode === CLEAR_MODES.BLIT && this.forceClear))
  {
  - this.renderer.renderTexture.clear();
  + this.renderer.framebuffer.clear(0, 0, 0, 0);
  }
  }
  