Property 'buffer' does not exist on type 'GPUBuffer'

[pixelzoom]

This failure is occurring during pre-commit hooks. On 5/28/25, it was reported in Slack#continuous-testing by multiple developers. And it's been causing perennial to fail in CT.

 ../../../../alpenglow/js/webgpu/WebGPURecorder.ts:656:25 - error TS2339: Property 'buffer' does not exist on type 'GPUBuffer | GPUBufferBinding'.
  Property 'buffer' does not exist on type 'GPUBuffer'.

656         return resource.buffer;