NonReserve case support teleport

[zqhxuyuan]

backport to v0.9.24. once it's done, #785 can be deprecate.

[codecov-commenter]

Codecov Report

Merging #786 (202bff1) into master (244878e) will decrease coverage by 0.07%.
The diff coverage is 74.61%.

@@            Coverage Diff             @@
##           master     #786      +/-   ##
==========================================
- Coverage   78.07%   78.00%   -0.08%     
==========================================
  Files         100      102       +2     
  Lines        9833     9888      +55     
==========================================
+ Hits         7677     7713      +36     
- Misses       2156     2175      +19     

Impacted Files	Coverage Δ
xtokens/src/mock/para_relative_view.rs	19.04% <0.00%> (+0.12%)	⬆️
xtokens/src/mock/relay.rs	42.85% <0.00%> (-32.15%)	⬇️
xtokens/src/mock/para_teleport.rs	13.33% <13.33%> (ø)
xtokens/src/mock/teleport_currency_adapter.rs	60.71% <60.71%> (ø)
xtokens/src/mock/mod.rs	92.04% <96.29%> (+1.72%)	⬆️
xtokens/src/lib.rs	66.66% <96.66%> (+1.28%)	⬆️
xtokens/src/mock/para.rs	61.11% <100.00%> (-14.65%)	⬇️
xtokens/src/tests.rs	99.45% <100.00%> (-0.01%)	⬇️

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