Fix Shift+digit heading navigation on Wayland

internal/platform/wayland/protocol_test.go

@@ -242,6 +242,11 @@ func TestNativeKeyboardBrowseSecureAndLearnTransitions(t *testing.T) {
 	monitor.key(t, 'h', 43, 0, false)
 	monitor.key(t, 'h', 43, 0, true)
 	await_command(t, keyboard, input.DocumentNextHeading)
+	if loadShiftPairs().unshifted['#'] == '3' {
+		monitor.key(t, '#', 12, 1, false)
+		monitor.key(t, '3', 12, 0, true)
+		await_command(t, keyboard, input.DocumentPreviousHeadingAtLevel3)
+	}
 	keyboard.SetNativeButtonFocus(true)
 	wait_snapshot(t, monitor, func(state MonitorSnapshot) bool {
 		for _, grab := range state.grabs {