- rename fileToPurenessInitializers onto fileToInitializerPureness
- remove redundant check on top-level property
[JS IR] Rename initialis* to initializ* for consistency
[JS IR] Move propertyLazyInitialization property to context from configuration
[JS IR] Add test on lazy initialization properties order
[JS IR] Add multi module for lazy initialization of properties
[JS IR] Move tests onto js.translator
[JS IR] Rename fileToInitializerPureness according to context name
^KT-43222 fixed