Catalog rollback to commit branch verification

[nopcoder]

Accept and verify the the branch name in the mvcc cataloger.
The new implementation requires branch as the change in position is in on the ref level.

[codecov-io]

Codecov Report

Merging #988 (2bbb49b) into master (7b08240) will decrease coverage by 0.02%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master     #988      +/-   ##
==========================================
- Coverage   44.62%   44.60%   -0.03%     
==========================================
  Files         142      142              
  Lines       11585    11587       +2     
==========================================
- Hits         5170     5168       -2     
- Misses       5763     5765       +2     
- Partials      652      654       +2     

Impacted Files	Coverage Δ
api/api_controller.go	37.91% <0.00%> (ø)
catalog/mvcc/cataloger_rollback_commit.go	52.63% <0.00%> (-2.93%)	⬇️
catalog/mvcc/cataloger_create_repository.go	59.25% <0.00%> (-3.71%)	⬇️

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