Dart Plugin Structure- add ALPHA_SORTER sorter
extract DartStructureViewModel.SORTERS
Infinite loop fixed in Dart class hierarchy
resolve classes from dart:_internal library
WEB-14290 Class name should not be next to class members in the structure view
Test for Dart create function quick fix (WEB-14410).
simplify DartFileStructureTest
DartStructureViewExtension for Dart inside HTML
WEB-14444 Make the link to the dart2js dump info visualizer an actionable hyperlink
DartUnit configuration test method/group validation (WEB-1560).
DartUnit test model caching to speed up validation.
Folow-up for WEB-1560 Dart, DartUnit Run configuration: provide validation for entered method/group name
Merge changes in Dart plugin