Output shapes for conv do not pass-by static dimensions

[ferrine]

In the implementation

pytensor/pytensor/tensor/conv/abstract_conv.py

Lines 2488 to 2491 in d798553

	out_shape = (
	1 if img.type.shape[0] == 1 else None,
	1 if kern.type.shape[0] == 1 else None,
	) + ((None,) * self.convdim)

static dimensions for image.shape[0] and kernel.shape[0] are not propagated to output