feat: bulk open links shortcut

[Tony-MK]

Created a keyboard shortcut to bulk open selected links in a document.
Reference issue: #2323

[CLAassistant]

All committers have signed the CLA.

[LucasXu0]

@Tony-MK please check the tests. some of them failed.

[Tony-MK]

Thanks @LucasXu0, I am currently trying to fix them, then it will be ready for review.

[codecov]

Codecov Report

Patch coverage: 11.76% and project coverage change: -0.77% ⚠️

Comparison is base (a9af2bb) 80.61% compared to head (eb58b7d) 79.85%.
Report is 20 commits behind head on main.

❗ Current head eb58b7d differs from pull request most recent head 74dba32. Consider uploading reports for the commit 74dba32 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #419      +/-   ##
==========================================
- Coverage   80.61%   79.85%   -0.77%     
==========================================
  Files         255      275      +20     
  Lines       10441    11474    +1033     
==========================================
+ Hits         8417     9162     +745     
- Misses       2024     2312     +288     

Files Changed	Coverage Δ
...ts/command_shortcut_events/open_links_command.dart	6.25% <6.25%> (ø)
...tor/block_component/standard_block_components.dart	100.00% <100.00%> (ø)

... and 50 files with indirect coverage changes

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[Tony-MK]

Sorry for the wait, @LucasXu0. I don't think I have any better ideas. Your suggestions are good.
However, I do have a question regrading the best time to call the code snippet below.

for (final link in links) { safeLaunchUrl(link); }

What difference does it make if the function loops through openedLinks and called after the initial loop has finished? Despite the openedLinks set having more items than a node's links set, the snippet will only be called once so I believe it should be faster and also probably be prettier to read. If I am wrong, can you please explain why and what is the difference?

[LucasXu0]

@Tony-MK You're right. It would be better to call the "open link" function after the loop.

  // A set to store the links which should be opened
  final links = nodes
      .map((e) => e.delta)
      .whereNotNull()
      .expand(
        (e) => e.map<String?>(
          (op) => op.attributes?[AppFlowyRichTextKeys.href],
        ),
      )
      .whereNotNull()
      .toSet();

  for (final link in links) {
    safeLaunchUrl(link);
  }

[Tony-MK]

Thanks @LucasXu0, I will commit the changes ASAP.