enhance: [2.4] force to stop buffer message when receiving the drop collection message

[SimFG]

/kind improvement
pr: #36916

[SimFG]

rerun ut

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 81.26%. Comparing base (604e346) to head (44c2576).
Report is 5 commits behind head on 2.4.

Additional details and impacted files

@@            Coverage Diff             @@
##              2.4   #36917      +/-   ##
==========================================
+ Coverage   71.88%   81.26%   +9.38%     
==========================================
  Files        1064     1064              
  Lines      140851   140854       +3     
==========================================
+ Hits       101251   114467   +13216     
+ Misses      35263    22068   -13195     
+ Partials     4337     4319      -18     

Files with missing lines	Coverage Δ
pkg/mq/msgstream/mq_msgstream.go	82.79% <100.00%> (+0.94%)	⬆️

... and 238 files with indirect coverage changes

[congqixia]

/lgtm

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: congqixia, SimFG

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• pkg/mq/msgstream/OWNERS [congqixia]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment