enhance: add broadcast operation for msgstream

[chyezh]

issue: #38399
pr: #39040

• make broadcast service available for msgstream by reusing the architecture streaming service

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[codecov]

Codecov Report

Attention: Patch coverage is 59.79899% with 80 lines in your changes missing coverage. Please review.

Project coverage is 81.03%. Comparing base (b0afe32) to head (d49bfa5).
Report is 13 commits behind head on 2.5.

Files with missing lines	Patch %	Lines
internal/rootcoord/broadcast_task.go	8.77%	52 Missing ⚠️
...treaming/util/message/adaptor/broadcast_message.go	0.00%	12 Missing ⚠️
pkg/streaming/util/types/responses.go	86.04%	6 Missing ⚠️
internal/distributed/streaming/util.go	55.55%	4 Missing ⚠️
internal/rootcoord/dml_channels.go	0.00%	3 Missing ⚠️
...eamingcoord/server/broadcaster/broadcaster_impl.go	88.00%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              2.5   #39119      +/-   ##
==========================================
- Coverage   81.07%   81.03%   -0.05%     
==========================================
  Files        1389     1394       +5     
  Lines      196349   196479     +130     
==========================================
+ Hits       159191   159211      +20     
- Misses      31556    31657     +101     
- Partials     5602     5611       +9     

Components	Coverage Δ
Client	78.26% <ø> (ø)
Core	69.55% <ø> (ø)
Go	82.98% <59.59%> (-0.06%)	⬇️

Files with missing lines	Coverage Δ
internal/distributed/streaming/streaming.go	100.00% <100.00%> (ø)
internal/distributed/streaming/wal.go	65.48% <100.00%> (+1.26%)	⬆️
internal/rootcoord/root_coord.go	88.24% <100.00%> (+0.01%)	⬆️
internal/streamingcoord/client/client.go	97.01% <100.00%> (+0.18%)	⬆️
internal/streamingcoord/client/client_impl.go	80.00% <100.00%> (+5.00%)	⬆️
...ord/server/broadcaster/registry/append_operator.go	100.00% <100.00%> (ø)
...gcoord/server/broadcaster/registry/test_utility.go	100.00% <100.00%> (ø)
internal/streamingcoord/server/broadcaster/task.go	100.00% <100.00%> (ø)
internal/streamingcoord/server/server.go	71.69% <100.00%> (ø)
internal/util/streamingutil/util/wal_selector.go	100.00% <100.00%> (+5.71%)	⬆️
... and 9 more

... and 23 files with indirect coverage changes

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[chyezh]

rerun go-sdk

[jaime0815]

/lgtm

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

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This pull-request has been approved by: chyezh

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