refactor(knowledge): Move the all dependent components to app infra

[fanlv]

No description provided.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 0% with 115 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
backend/application/base/appinfra/app_infra.go	0.00%	82 Missing ⚠️
backend/application/application.go	0.00%	25 Missing ⚠️
backend/application/knowledge/init.go	0.00%	4 Missing ⚠️
...nd/application/base/appinfra/builtin_chat_model.go	0.00%	2 Missing ⚠️
backend/application/workflow/init.go	0.00%	2 Missing ⚠️

Files with missing lines	Coverage Δ
backend/domain/knowledge/service/knowledge.go	9.98% <ø> (-0.37%)	⬇️
...nd/application/base/appinfra/builtin_chat_model.go	0.00% <0.00%> (ø)
backend/application/workflow/init.go	0.00% <0.00%> (ø)
backend/application/knowledge/init.go	0.00% <0.00%> (ø)
backend/application/application.go	2.20% <0.00%> (-0.08%)	⬇️
backend/application/base/appinfra/app_infra.go	1.60% <0.00%> (-0.58%)	⬇️

... and 4 files with indirect coverage changes

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