[Fix] Register FrameSelector in PIPELINES

[dreamerlin]

No description provided.

[codecov]

Codecov Report

Merging #268 into master will increase coverage by 0.07%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #268      +/-   ##
==========================================
+ Coverage   84.40%   84.47%   +0.07%     
==========================================
  Files          87       87              
  Lines        5880     5881       +1     
  Branches      959      960       +1     
==========================================
+ Hits         4963     4968       +5     
+ Misses        744      741       -3     
+ Partials      173      172       -1     

Flag	Coverage Δ
#unittests	84.47% <100.00%> (+0.07%)	⬆️

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Impacted Files	Coverage Δ
mmaction/datasets/pipelines/loading.py	93.49% <100.00%> (+0.01%)	⬆️
mmaction/datasets/pipelines/augmentations.py	95.00% <0.00%> (+0.71%)	⬆️

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