Make consolidate_metadata for DirectoryStore following symlinks

[ctamluu]

No description provided.

[joshmoore]

Thanks, @ctamluu. I've triggered the workshops. Can you perhaps update the description with some background information on what you are trying to achieve? Is there an example fileset somewhere that we could take a look at?

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.98%. Comparing base (0855bd6) to head (4464b37).
Report is 23 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2063      +/-   ##
==========================================
- Coverage   99.98%   99.98%   -0.01%     
==========================================
  Files          38       38              
  Lines       14703    14700       -3     
==========================================
- Hits        14701    14698       -3     
  Misses          2        2              

Files with missing lines	Coverage Δ
zarr/storage.py	100.00% <100.00%> (ø)
zarr/tests/test_storage.py	100.00% <100.00%> (ø)

... and 2 files with indirect coverage changes

[jhamman]

I have changed the base branch of this PR to be support/2.x.