do not suggest to restart IDEA if disabled link was invoked - plugins are disabled at this stage anyway, restart would not change anything
inference from lambda return expressions according to https://bugs.openjdk.java.net/browse/JDK-8038747
new inference: ignore trivial dependencies
new inference: process additional constraints one after another and use data from previous results (IDEA-124983)
testdata for IDEA-129251
unknown classes in testdata fixed