feat: enhance markdown preview for backlinks

[pengx17]

fix AF-1770
fix AF-1771

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fix: doc link middlewares
feat: markdown renderer
feat: allow multiple backlink for a single doc
feat: showing correct doc ref link
feat: trim long para & ident lists
feat: list indentition fix
feat: database/latext handling
feat: other block types handling
fix: lint

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[pengx17]

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• test(core): a simple e2e case for linked doc preview #8957
• feat: enhance markdown preview for backlinks #8956 👈 (View in Graphite)
• feat(core): add markdown preview for backlinks #8883
• canary

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[codecov]

Codecov Report

Attention: Patch coverage is 0% with 9 lines in your changes missing coverage. Please review.

Project coverage is 64.68%. Comparing base (449a27e) to head (d8a3d48).

Files with missing lines	Patch %	Lines
...ksuite/presets/_common/components/text-renderer.ts	0.00%	5 Missing ⚠️
...blocksuite/presets/_common/utils/markdown-utils.ts	0.00%	3 Missing ⚠️
.../src/blocksuite/presets/ai/utils/editor-actions.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@                        Coverage Diff                        @@
##           eyhn/indexer/markdown-preview    #8956      +/-   ##
=================================================================
- Coverage                          64.68%   64.68%   -0.01%     
=================================================================
  Files                                664      664              
  Lines                              37343    37347       +4     
  Branches                            3610     3612       +2     
=================================================================
  Hits                               24157    24157              
- Misses                             12819    12823       +4     
  Partials                             367      367              

Flag	Coverage Δ
server-test	77.07% <ø> (ø)
unittest	34.57% <0.00%> (-0.02%)	⬇️

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