message: SetScrollHere() tweak to make the code a little less confusing
diff: @@ -5377,8 +5377,9 @@ void ImGui::SetScrollFromPosY(float pos_y, float center_y_ratio)
  void ImGui::SetScrollHere(float center_y_ratio)
  {
  ImGuiWindow* window = GetCurrentWindow();
  - float target_y = window->DC.CursorPosPrevLine.y + (window->DC.PrevLineHeight * center_y_ratio) + (GImGui->Style.ItemSpacing.y * (center_y_ratio - 0.5f) * 2.0f); // Precisely aim above, in the middle or below the last line.
  - SetScrollFromPosY(target_y - window->Pos.y, center_y_ratio);
  + float target_y = window->DC.CursorPosPrevLine.y - window->Pos.y; // Top of last item, in window space
  + target_y += (window->DC.PrevLineHeight * center_y_ratio) + (GImGui->Style.ItemSpacing.y * (center_y_ratio - 0.5f) * 2.0f); // Precisely aim above, in the middle or below the last line.
  + SetScrollFromPosY(target_y, center_y_ratio);
  }
  void ImGui::SetKeyboardFocusHere(int offset)
  