refactor(PhyslibAlpha): state the open chain uncertainty on its own Hilbert space

[naype888-cloud]

hello guys im been cear as i can on this one, what this PR exactly does?
It's a short one refactor from TightBindingChain/Uncertainty.lean any tnhing changes from #1690 only 13+ lines, why? becouse all ready have the #1695 (SelfAdjointDecompose on finiteHilberSpace) the uncertanty relation energy-position can be instanced on chain HilbertSpace T.HilberSpace, i don't need any more transform the operators to EuclideanSpace C ( Fin N) .

This change ensures that all new elements (current J, eigenstates, and maximum current state) reside inside T.HilbertSpace. By keeping the uncertainty in the same space, PRs #10 and #16 can utilize it directly, eliminating dependence under cross-space conversions.

tks again, im here ready to make any changes after review.

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[jstoobysmith]

Looks good - approved