feature: 安装 Agent 后下发主机身份 (closed #963)

[CohleRustW]

[codecov-commenter]

Codecov Report

Merging #1301 (e69db39) into V2.2.32-rc (343aeeb) will increase coverage by 0.04%. The diff coverage is 93.44%.

@@              Coverage Diff               @@
##           V2.2.32-rc    #1301      +/-   ##
==============================================
+ Coverage       73.35%   73.40%   +0.04%     
==============================================
  Files             360      361       +1     
  Lines           24458    24519      +61     
==============================================
+ Hits            17941    17998      +57     
- Misses           6517     6521       +4     

Impacted Files	Coverage Δ
apps/backend/subscription/steps/agent.py	48.80% <0.00%> (-0.24%)	:arrow_down:
apps/backend/agent/manager.py	37.09% <33.33%> (-0.10%)	:arrow_down:
...ents/collections/agent_new/push_host_identifier.py	98.00% <98.00%> (ø)
...end/components/collections/agent_new/components.py	100.00% <100.00%> (ø)
common/api/modules/cc.py	100.00% <100.00%> (ø)

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[ZhuoZhuoCrayon]

InstallProxy ReinstallProxy 也需要补充这个原子

[CohleRustW]

追加验证过程：