Description of the Issue

See StR.

Steps to Reproduce (StR) the Issue

1. Invoke Column Editor
2. Click the Text to Insert radio button
3. Delete all text out of the edit box below the Text to Insert radio button

Expected Behavior

I expected the OK button to turn be disabled/grey when the last character is removed from the edit box.

Actual Behavior

OK button remains enabled:

Debug Information

Notepad++ v8.5 (64-bit)
Build time : Mar 6 2023 - 02:18:13
Path : W:\npp.misc_NoBackup\Releases\npp.8.5\npp.8.5.portable.x64\notepad++.exe
Command Line : -titleAdd="8.5 64-bit" -multiInst
Admin mode : OFF
Local Conf mode : ON
Cloud Config : OFF
OS Name : Windows 10 Enterprise (64-bit)
OS Version : 21H2
OS Build : 19044.2486
Current ANSI codepage : 1252
Plugins :
mimeTools (2.9)
NppConverter (4.5)
NppExport (0.4)
PythonScript (2)