feat: backslash to ignore shortcut event

[hyj1204]

Feature Preview

To close
AppFlowy-IO/AppFlowy#3628
AppFlowy-IO/AppFlowy#3964

Add the ability to ignore the CharacterShortcutEvent
Use \ to skip all the markdown style

For the wrapped style shortcut events
like _abc_ *abc* _abc_ ~~abc~~ `abc`

Put \ in front of the enable character.

wrapped.style.mov

For the space enabled shortcut events
like - abc, " abc, > abc, # abc, -[] ABC

Put \ in front of the character before the space

space.enable.mov

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (3d373be) 76.47% compared to head (e25ee82) 76.51%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #635      +/-   ##
==========================================
+ Coverage   76.47%   76.51%   +0.04%     
==========================================
  Files         295      295              
  Lines       13046    13070      +24     
==========================================
+ Hits         9977    10001      +24     
  Misses       3069     3069              

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[Xazin]

I'm seeing some behavior that is quite odd, eg. this should not be formatted as well: \_hello_.

And on a sentence where formatting was previously ignored, I should still be able to continue formatting, eg all of this is ignored: _hello\_ _world_, where I expect world to be formatted italic.

Recording

Screen.Recording.2024-01-08.at.20.09.59_compressed.mp4

[hyj1204]

@Xazin
The concept behind this ignore mechanism is whenever users type \

1. The next character after \ will skip all the shortcut events
2. The \ character got deleted afterward
   So in case users don’t want to format _hello_. they may type \_hello\_ to achieve it

[Xazin]

Seems some tests are failing that doesn't fail on main, can you take a look?

[hyj1204]

@Xazin
Thanks for addressing that. In the previous code, I noticed that single-character formatting rules block the double-character formatting. I have added more exclusive conditions(with the comments) to prevent it.