Fix #8363

* Fix avatar/banner proxy

Co-authored-by: mei23 <m@m544.net>

* use getAvatarUrl

* fix

* join avatar and banner to improve performance

* join

* Update hybrid-timeline.ts

* fix

Co-authored-by: mei23 <m@m544.net>
Co-authored-by: syuilo <Syuilotan@yahoo.co.jp>

* wip

* wip

* fix

* clean up

* Update tsconfig.json

* Update activitypub.ts

* wip

Fix #8359
Fix #7968

Closes #8336

* also recognize "shortcut icon" favicon

Not using querySelector for this because it uses jsdom which might be slower.
Reversing the order because WHATWG says the last appropriate link should be used.

* also fetchIconUrl

* br

* improve readability

* fix

* フォールバックにhrefの評価を含める

* fix val name

* 将来的な拡張を考えたコードにした

Co-authored-by: tamaina <tamaina@hotmail.co.jp>
Co-authored-by: syuilo <Syuilotan@yahoo.co.jp>

Close #8225
Close #8234

Resolve #8323

* wip

* ✌️

* use ajv/dist/core

* revert try

* clean up

* schema typeの型計算量を削減

* reduce some type error

* wip

* fix

* clean up

* more shrink