v0.9.16

[zqhxuyuan]

fix new reanchor location break change: change CurrencyIdConvert to support canonical reanchor. we only need adapt to-reserve and non-reserve cases.

• i.e. A-[B]->B or A-[B]->C. From parachain B's point of view, the reanchored location change from (1, Parachain(2), GeneralKey("B")) now to (0, GeneralKey("B")).
• same as B-[A]->A, then from parachain A's point of view, the reanchored location change from (1, Parachain(1), GeneralKey("A")) now to (0, GeneralKey("A")).