in src/dotnet/JetBrains.PresentationAssistant/ReSharperActionShortcutProvider.cs [215:222]
private void SetGivenShortcuts(Shortcut shortcut, IActionDefWithId def, bool showSecondarySchemeIfSame)
{
shortcut.VsShortcut = GetFirstShortcutSequence(def.VsShortcuts);
shortcut.IntellijShortcut = GetFirstShortcutSequence(def.IdeaShortcuts);
if (HasSameShortcuts(shortcut) && !showSecondarySchemeIfSame)
shortcut.IntellijShortcut = null;
}