message: better min size limit in image ui
diff: @@ -156,8 +156,8 @@ export class ImageControls<P, S extends ImageControlsState> extends CollapsableC
  size: PD.MappedStatic('custom', {
  canvas: PD.Group({}),
  custom: PD.Group({
  - width: PD.Numeric(width, { min: 1, max, step: 1 }),
  - height: PD.Numeric(height, { min: 1, max, step: 1 }),
  + width: PD.Numeric(width, { min: 128, max, step: 1 }),
  + height: PD.Numeric(height, { min: 128, max, step: 1 }),
  }, { isFlat: true })
  }, { options: [['canvas', 'Canvas'], ['custom', 'Custom']] })
  }
  