Show proper information in "expected" and "actual" panels in comparison failure window
KT-3503 Can't navigate to implementation of kotlin functions

 #KT-3503 Fixed
Refactoring: Use gutter icons constants
Test not only line marker number but also their position
Refactoring: move tooltip provider and navigator from MarkerType
KT-3498 Show overrided/implemented line marker

 #KT-3498 Fixed
Make declarations from the current package be resolved before declarations in default package (EA-43715)
Don't share project descriptor for JetGotoSymbolTest

Some order of test execution makes this test fall because of uninitialized Jet elements presenters