Fill collection schema after DataCoord restarts

[congqixia]

Fix #21160

/kind bug

Signed-off-by: Congqi Xia congqi.xia@zilliz.com

[sre-ci-robot]

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[codecov]

Codecov Report

Merging #21161 (abd72f8) into master (b0afdb2) will decrease coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master   #21161      +/-   ##
==========================================
- Coverage   82.11%   82.10%   -0.02%     
==========================================
  Files         706      706              
  Lines       95050    95051       +1     
==========================================
- Hits        78050    78039      -11     
- Misses      14007    14018      +11     
- Partials     2993     2994       +1     

Impacted Files	Coverage Δ
internal/datacoord/channel_store.go	85.32% <100.00%> (+0.06%)	⬆️
internal/config/refresher.go	71.05% <0.00%> (-7.90%)	⬇️
internal/querycoordv2/job/scheduler.go	88.42% <0.00%> (-6.32%)	⬇️
internal/rootcoord/scheduler.go	96.29% <0.00%> (-3.71%)	⬇️
internal/querycoordv2/task/scheduler.go	78.23% <0.00%> (-1.38%)	⬇️
internal/querycoordv2/task/executor.go	73.69% <0.00%> (-0.87%)	⬇️
internal/indexcoord/index_coord.go	75.80% <0.00%> (-0.59%)	⬇️
internal/querynode/impl.go	66.02% <0.00%> (-0.17%)	⬇️
internal/indexcoord/meta_table.go	96.07% <0.00%> (+0.36%)	⬆️
internal/datacoord/server.go	78.13% <0.00%> (+0.70%)	⬆️
... and 3 more

[yah01]

/lgtm