refactor: avoid frequent update of clusterVersion

[ZuLiangWang]

Which issue does this PR close?

Closes #

Rationale for this change

Check whether updates are required during node registration to avoid frequent updates of ClusterVersion and put pressure on ETCD.

What changes are included in this PR?

• Add verification of node shard information in RegisterNode to avoid invalid updates.

Are there any user-facing changes?

None.

How does this change test

Pass all unit tests.

[codecov-commenter]

Codecov Report

Merging #166 (d26ed88) into main (494e15e) will increase coverage by 0.78%. The diff coverage is 34.75%.

:exclamation: Current head d26ed88 differs from pull request most recent head fc60150. Consider uploading reports for the commit fc60150 to get more accurate results

@@            Coverage Diff             @@
##             main     #166      +/-   ##
==========================================
+ Coverage   39.07%   39.86%   +0.78%     
==========================================
  Files          33       34       +1     
  Lines        4217     4192      -25     
==========================================
+ Hits         1648     1671      +23     
+ Misses       2317     2296      -21     
+ Partials      252      225      -27     

Impacted Files	Coverage Δ
server/cluster/metadata/cluster_metadata.go	0.00% <0.00%> (ø)
server/cluster/metadata/table_manager.go	0.00% <0.00%> (ø)
server/cluster/metadata/topology_manager.go	0.00% <0.00%> (ø)
server/cluster/metadata/types.go	0.00% <0.00%> (ø)
server/coordinator/procedure/manager_impl.go	0.00% <0.00%> (ø)
server/coordinator/procedure/util.go	0.00% <0.00%> (-38.89%)	:arrow_down:
server/etcdutil/util.go	45.45% <0.00%> (-6.79%)	:arrow_down:
server/coordinator/factory.go	4.51% <4.51%> (ø)
server/storage/types.go	63.54% <38.23%> (-7.01%)	:arrow_down:
server/storage/storage_impl.go	62.30% <40.00%> (-1.21%)	:arrow_down:
... and 14 more

... and 2 files with indirect coverage changes