Fix Chunk::component_batch_raw not checking the bitmap first

[teh-cmc]

@abey79 discovered the issue when doing the Chunk Store UI.

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[abey79]

Shouldn't component_batch() (and possibly component_instance[_raw]() receive the same treatment?

[teh-cmc]

Shouldn't component_batch() (and possibly component_instance[_raw]() receive the same treatment?

Everything bottoms out in component_batch_raw ultimately so that shouldn't be a problem.

That makes me wonder if there are similar shenanigans on UnitChunk though.

[abey79]

Oh right, didn't notice.

[teh-cmc]

There were in fact similar shenaniganeries on UnitChunk, nice catch