support icons in darcula comboboxUI (initial)
IDEA-106275 Groovy: complete references with first capital letter
don't process open block inheritors in GroovyIndentProcessor
[diff] cleanup, code style, nullability
[git] GitMergeProvider: use Set instead of Map<..., Boolean>

Also solves a potential NPE in checking myReverseMap.get(root).
Relates to the fix for IDEA-78808
[git] GitMergeProvider: make code more clear

Use a enum for 3-positional reverse state instead of nullable Boolean.

Relates to the fix for IDEA-78808