[mlir][sparse] Add SparseTensorStorageExpansion Pass to expand compounded sparse tensor tuples

This patch adds SparseTensorStorageExpansion pass, it flattens the tuple used to store a sparse
tensor handle.

Right now, it only set up the skeleton for the pass, more lowering rules for sparse tensor storage
operation need to be added.

Reviewed By: aartbik

Differential Revision: https://reviews.llvm.org/D133125