bugfixed: mirror unconsistency for each key data etc

[Yuxiang1990]

Short Description

Please give a short summary of the main points of this PR
bugfixed: 1. rtr.Mirror(dims=DiscreteParameter([0, 1, 2]), keys=['raw', 'label'], prob=1.0), mirror operation will cause unconsistency between;
2. RandomBezierTransform: without contiguous, may cause crash.
...

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