refactor(editor): extract markdown adapter #21549

Job	Run time
Optimize CI	7s
Check yarn binary	5s
Legacy Blocksuite E2E Test (1)	39s
Legacy Blocksuite E2E Test (2)	36s
E2E Test (1)	39s
Legacy Blocksuite E2E Test (3)	36s
Analyze (javascript)	34s
Lint	40s
Legacy Blocksuite E2E Test (4)	26s
E2E Test (2)	26s
Analyze (typescript)	35s
Legacy Blocksuite E2E Test (5)	37s
E2E Test (3)	27s
Legacy Blocksuite E2E Test (6)	25s
E2E Test (4)	38s
Legacy Blocksuite E2E Test (7)	37s
E2E Test (5)	26s
Build @affine/electron renderer	39s
Legacy Blocksuite E2E Test (8)	24s
Legacy Blocksuite E2E Test (9)	37s
Legacy Blocksuite E2E Test (10)	23s
Build AFFiNE native (x86_64-unknown-linux-gnu)	25s
Build Server native	37s
Build AFFiNE native (x86_64-pc-windows-msvc)	25s
E2E Mobile Test (1)	36s
Run native tests	37s
Build AFFiNE native (x86_64-apple-darwin)	27s
E2E Mobile Test (2)	36s
Build AFFiNE native (aarch64-apple-darwin)	24s
E2E Mobile Test (3)	36s
E2E Mobile Test (4)	37s
E2E Mobile Test (5)	24s
test-build-mobile-app / output-env	2s
test-build-mobile-app / build-android-web	14s
test-build-mobile-app / build-ios-web	14s
test-build-mobile-app / ios	1s
test-build-mobile-app / android	1s
Unit Test	1s
Desktop Test (${{ matrix.spec.os }}, ${{ matrix.spec.platform }}, ${{ matrix.spec.arch }}, ${{ matrix.spec.target }}, ${{ matrix.spec.test }})	1s
Server Test	1s
Server Copilot Api Test	1s
Server Copilot E2E Test	1s
${{ matrix.tests.name }}	1s
3, 2, 1 Launch	1s
	16m 59s

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