sync: try next level after upper level is included

[davies]

No description provided.

[codecov-commenter]

Codecov Report

Merging #1897 (059c5d8) into main (0c69891) will increase coverage by 0.20%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #1897      +/-   ##
==========================================
+ Coverage   61.29%   61.49%   +0.20%     
==========================================
  Files         135      135              
  Lines       23411    23418       +7     
==========================================
+ Hits        14349    14401      +52     
+ Misses       7389     7343      -46     
- Partials     1673     1674       +1     

Impacted Files	Coverage Δ
pkg/sync/sync.go	45.56% <100.00%> (+0.29%)	⬆️
pkg/object/redis.go	70.93% <0.00%> (-2.25%)	⬇️
pkg/chunk/disk_cache.go	79.85% <0.00%> (-0.49%)	⬇️
pkg/meta/redis.go	71.68% <0.00%> (+0.25%)	⬆️
pkg/meta/sql.go	64.82% <0.00%> (+0.29%)	⬆️
pkg/meta/tkv_etcd.go	76.69% <0.00%> (+0.97%)	⬆️
pkg/vfs/writer.go	79.66% <0.00%> (+1.01%)	⬆️
pkg/meta/tkv.go	76.54% <0.00%> (+1.27%)	⬆️
pkg/meta/tkv_badger.go	73.80% <0.00%> (+1.78%)	⬆️
pkg/meta/tkv_tikv.go	67.13% <0.00%> (+4.89%)	⬆️

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