Probcut in check no matter if pv or capture

Passed STC: https://tests.stockfishchess.org/tests/view/6681e9c8c1657e386d294cef
LLR: 2.93 (-2.94,2.94) <-1.75,0.25>
Total: 217824 W: 56149 L: 56129 D: 105546
Ptnml(0-2): 587, 25926, 55848, 25982, 569

Passed LTC: https://tests.stockfishchess.org/tests/view/6681fcb8c1657e386d294db1
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 357552 W: 90546 L: 90671 D: 176335
Ptnml(0-2): 207, 40064, 98362, 39933, 210

Each half of this also passed STC+LTC separately

closes #5427

bench 1227870

src/search.cpp

@@ -906,9 +906,8 @@ Value Search::Worker::search(
 
  // Step 12. A small Probcut idea, when we are in check (~4 Elo)
  probCutBeta = beta + 388;
- if (ss->inCheck && !PvNode && ttCapture && (ttData.bound & BOUND_LOWER)
- && ttData.depth >= depth - 4 && ttData.value >= probCutBeta
- && std::abs(ttData.value) < VALUE_TB_WIN_IN_MAX_PLY
+ if (ss->inCheck && (ttData.bound & BOUND_LOWER) && ttData.depth >= depth - 4
+ && ttData.value >= probCutBeta && std::abs(ttData.value) < VALUE_TB_WIN_IN_MAX_PLY
  && std::abs(beta) < VALUE_TB_WIN_IN_MAX_PLY)
  return probCutBeta;