bae class for action hits

(cherry picked from commit ccb7628e922a2f2e5a1f38e469c1b4b9f0e3d4d7)
vcs top hits

(cherry picked from commit 238d1bad054b2e7a776b113f28656947ee4149c9)
+ private static final

(cherry picked from commit 613c358c304b0ef0bf6a5a0bdadd95ae8ee89dfa)
simplify by extending ActionsTopHitProvider

(cherry picked from commit df6f25d9921457ff85317e7aa83236b2f07518fd)
IDEA-116350 IntelliJ theme: file settings tree views colors are misplaced

(cherry picked from commit 586c4314a03ec993a73d8951b6a94f2be2521048)
remove border

(cherry picked from commit 01322adf591e1d1b30902256dcd79af00c03da17)
fix color

(cherry picked from commit c3ba0daf37ba027982169b53e10c786af98ea798)
turn logging on

(cherry picked from commit 2e9decb2f876016e2d9d979936a1c11e7054b87f)
fix user completion popup dimensions + add empty border

(cherry picked from commit 04d138d0d52b3accc9234c7466f0e15ac8e29389)
com.intellij.index.IndexTest._testSavedUncommittedDocument