object/sharding: fix ListAll returning invalid objects

[SandyXSD]

#1615

[codecov-commenter]

Codecov Report

Merging #1616 (2e5497d) into main (d1ef145) will increase coverage by 0.26%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #1616      +/-   ##
==========================================
+ Coverage   61.27%   61.53%   +0.26%     
==========================================
  Files         133      133              
  Lines       22475    22475              
==========================================
+ Hits        13771    13830      +59     
+ Misses       7132     7084      -48     
+ Partials     1572     1561      -11     

Impacted Files	Coverage Δ
pkg/object/sharding.go	70.87% <100.00%> (ø)
pkg/meta/sql.go	67.90% <0.00%> (-0.11%)	⬇️
pkg/chunk/cached_store.go	75.08% <0.00%> (ø)
pkg/meta/base.go	72.24% <0.00%> (+0.50%)	⬆️
pkg/meta/tkv.go	77.40% <0.00%> (+0.76%)	⬆️
pkg/vfs/reader.go	84.67% <0.00%> (+7.48%)	⬆️
pkg/fuse/context.go	67.56% <0.00%> (+10.81%)	⬆️

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