argtypes of user32.GetWindowThreadProcessId need to be fixed

[bzczb]

After a seemingly inconsequential change in my code, I started getting errors like this

Exception ignored on calling ctypes callback function: <function get_hwnd_from_pid.<locals>.callback at 0x0000021CFE28B380>
Traceback (most recent call last):
  File "c:\x\py_venv\Lib\site-packages\DearPyGui_DragAndDrop\tools.py", line 56, in callback
    user32.GetWindowThreadProcessId(hwnd, ctypes.byref(lpdw_PID))
ctypes.ArgumentError: argument 1: OverflowError: int too long to convert

Like many argtypes in Python on 64-bit Windows, the argtypes were broken for this function and it expected a 32-bit HWND. Not a problem normally because of the calling convention, except that Windows will sometimes give you extremely large HWNDs under obscure conditions.

Fix:
Changing the relevant section of tools.py fixed this

user32 = ctypes.windll.user32
WNDENUMPROC = ctypes.WINFUNCTYPE(wintypes.BOOL,
                                 wintypes.HWND,
                                 wintypes.LPARAM)
user32.EnumWindows.argtypes = [WNDENUMPROC,
                               wintypes.LPARAM]
user32.GetWindowThreadProcessId.restype = wintypes.DWORD
user32.GetWindowThreadProcessId.argtypes = [wintypes.HWND,
                                            wintypes.LPDWORD]

Reference: https://stackoverflow.com/a/37503441