Support nested arrays in PropagateOptionsHelper::propagate()

[arogachev]

Q	A
Is bugfix?	✔️
New feature?	❌
Breaks BC?	❌
Fixed issues	#479

[codecov]

Codecov Report

Base: 89.54% // Head: 11.33% // Decreases project coverage by -78.21% ⚠️

Coverage data is based on head (941545c) compared to base (54ee3e0).
Patch coverage: 19.44% of modified lines in pull request are covered.

Additional details and impacted files

@@              Coverage Diff              @@
##             master     #480       +/-   ##
=============================================
- Coverage     89.54%   11.33%   -78.22%     
+ Complexity      710      709        -1     
=============================================
  Files            86       83        -3     
  Lines          2277     2267       -10     
=============================================
- Hits           2039      257     -1782     
- Misses          238     2010     +1772     

Impacted Files	Coverage Δ
...c/Exception/InvalidCallbackReturnTypeException.php	0.00% <0.00%> (-69.24%)	⬇️
...on/RuleHandlerInterfaceNotImplementedException.php	0.00% <0.00%> (-92.86%)	⬇️
src/Exception/RuleHandlerNotFoundException.php	0.00% <0.00%> (-90.91%)	⬇️
src/Exception/UnexpectedRuleException.php	0.00% <0.00%> (-100.00%)	⬇️
src/Helper/PropagateOptionsHelper.php	0.00% <0.00%> (ø)
src/Rule/Each.php	0.00% <0.00%> (-83.34%)	⬇️
src/Rule/Nested.php	0.00% <0.00%> (-82.98%)	⬇️
src/RuleHandlerResolver/RuleHandlerContainer.php	0.00% <0.00%> (-100.00%)	⬇️
...RuleHandlerResolver/SimpleRuleHandlerContainer.php	64.28% <70.00%> (-35.72%)	⬇️
src/Rule/CompareTo.php	0.00% <0.00%> (-100.00%)	⬇️
... and 79 more

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[arogachev]

Completed in #564.