Fix incorrect operation Each (new Nested) rule for iterable of objects

[Enjoyzz]

Q	A
Is bugfix?	✔️
New feature?	❌
Breaks BC?	❌

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.18%. Comparing base (fe63447) to head (d2cad7c).
Report is 77 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #768      +/-   ##
============================================
+ Coverage     94.40%   96.18%   +1.78%     
- Complexity      953     1035      +82     
============================================
  Files           108      122      +14     
  Lines          3018     3274     +256     
============================================
+ Hits           2849     3149     +300     
+ Misses          169      125      -44     

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[vjik]

Currently this case can be resolved by new Each(new Nested()), but it's not available as attribute. And it requires implement RulesProviderInterface and place rule in getRules() method, it's not convenient.

Whole, I like this suggestion.

@arogachev @samdark WDYT?

[samdark]

The idea is very good 👍 Need a bit more for it to be merged:

1. Docs.
2. CHANGELOG.
3. What @vjik suggested

[Enjoyzz]

Отказался от Nested в пользу Each(new Nested()).
Мне кажется это более правильно?
Такая реализация закрывает #751
Что скажете?

[vjik]

Oh, creating objects for attribute parameters is available from PHP 8.1.

Yes. Each(new Nested()) is best way.

[Enjoyzz]

И еще, теперь думаю это не New feature , а скорее bugfix, который фиксит то, что по логике должно было работать ранее. Соответственно даже можно документацию не трогать.
Впрочем как скажете.

[vjik]

Yes, now this is bugfix. Add line to changelog.

[samdark]

Thank you!