[mlir][affine] Fix unfolded bounding maps for affine.for

Loop bounds of affine.for didn't perform foldings like affine.load, affine.store.
Bound maps shall be more composed, leaving most affine.apply become dead.

This resolves the bug listed on https://bugs.llvm.org/show_bug.cgi?id=45203

Differential Revision: https://reviews.llvm.org/D99323