feat: optimize extension host restart logic

[bytemain]

Types

• 🎉 New Features

Background or solution

1. 插件进程重启中的通知现在只会在真正重启的时候出现
2. 移除后端通知进程不存在的逻辑，改为后端通知后前端直接重启
3. 确保后端通知到前端重启

Changelog

optimize extension host restart logic

[railway-app]

🚅 Previously deployed to Railway in the main project. Environment has been deleted.

[codecov]

Codecov Report

Attention: Patch coverage is 53.37423% with 76 lines in your changes are missing coverage. Please review.

Project coverage is 56.10%. Comparing base (9d25ea4) to head (01fce34).
Report is 8 commits behind head on main.

Files	Patch %	Lines
...ackages/extension/src/browser/extension.service.ts	4.34%	19 Missing and 3 partials ⚠️
...ges/extension/src/node/extension.service.client.ts	10.52%	14 Missing and 3 partials ⚠️
packages/utils/src/async.ts	6.25%	10 Missing and 5 partials ⚠️
packages/connection/src/common/fury-extends/any.ts	85.00%	9 Missing ⚠️
...ages/connection/src/common/rpc-service/registry.ts	50.00%	8 Missing and 1 partial ⚠️
...ckages/connection/src/common/rpc-service/center.ts	75.00%	2 Missing ⚠️
packages/connection/src/common/rpc/connection.ts	75.00%	1 Missing ⚠️
packages/utils/src/decorators.ts	75.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3635      +/-   ##
==========================================
- Coverage   56.11%   56.10%   -0.01%     
==========================================
  Files        1513     1513              
  Lines       91744    91812      +68     
  Branches    18812    18817       +5     
==========================================
+ Hits        51480    51511      +31     
- Misses      33391    33423      +32     
- Partials     6873     6878       +5     

Flag	Coverage Δ
jsdom	51.51% <46.01%> (-0.02%)	⬇️
node	15.68% <52.14%> (+0.02%)	⬆️

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[Ricbet]

LGTM