Default layout: flight on the numpad, modifiers for throttle/reverse

Per the user: the game never reads the pilot keypad, so the numpad
becomes the flight cluster - 8/2/4/6 stick, 7/9 pedals, 0 trigger -
with Shift/Ctrl as throttle up/down and Alt as reverse thrust. That
frees the entire letter board: W/A/S/D/Q/E return to their printed
MFD bank positions and B goes back to being the gap key, so the
default profile now carries the complete unmodified vRIO bank layout.
The keypad addresses stay bindable (arcade key events) but ship
unbound.

Alt as a held flight control meant every release popped the window
menu and stole focus - WndProc now eats SC_KEYMENU. Shift/Ctrl/Alt
key-name aliases added to the parser alongside the .NET names.

Profile parses clean (59 key buttons, 8 key axes); single-player
cycle and key-bomb tests green (Alt+Q abort unaffected).

Machines with an existing bindings.txt keep their old map - delete
the file to take the new defaults.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

RP_L4/RPL4.CPP

@@ -115,6 +115,14 @@ LRESULT CALLBACK WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 	case WM_DESTROY:
 		PostQuitMessage(0);
 		return 0;
+	case WM_SYSCOMMAND:
+		// Alt is a flight control (reverse thrust) - releasing it must
+		// not pop the window menu and steal keyboard focus
+		if ((wParam & 0xFFF0) == SC_KEYMENU)
+		{
+			return 0;
+		}
+		break;
 	}
 	return DefWindowProc(hWnd, uMsg, wParam, lParam);
 }