wx.aui.AuiNotebook.FindTab fails and causes a crash.

[komoto48g]

Operating system: Windows 10
wxPython version & source: 4.2.2 (pypi)
Python version & source: 3.12

Description of the problem:

When FindTab gets objects that are not in the pages, it crashes with a 'Windows fatal exception: access violation'

Code Example (click to expand)

#! python3 -Wd -Xdev -Xtracemalloc
import wx
import wx.aui

class MyFrame(wx.Frame):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        
        self.nb = wx.aui.AuiNotebook(self)
        
        p1 = wx.Panel(self.nb)
        p2 = wx.Panel(self.nb)
        
        self.nb.AddPage(p1, "Tab 1")
        self.nb.AddPage(p2, "Tab 2")
        
        print(self.nb.FindTab(p1))
        print(self.nb.FindTab(p2))
        print(self.nb.FindTab(self)) # => Windows fatal exception: access violation

app = wx.App()
frm = MyFrame(None)
frm.Show()
app.MainLoop()

Outputs:

(True, <wx._aui.AuiTabCtrl object at 0x0000021F751E8CC0>, 0)
(True, <wx._aui.AuiTabCtrl object at 0x0000021F751E8CC0>, 1)
Windows fatal exception: access violation

Current thread 0x00002fb4 (most recent call first):
  File ".../issue_aui-notebook.py", line 19 in __init__
  File ".../issue_aui-notebook.py", line 22 in <module>