Undo bug in Find

[ghost]

Issue Type: Bug

Here is how to reproduce:

1. Start a new file in VS Code
2. Input like this:

abc
def

3. Select def and press Ctrl+F
4. Delete text in Find window and type ab
5. Now select def and press Ctrl+F again
6. Focus on textbox in Find window and press Ctrl+Z, and then the bug occurs (it is expected to be ab, but it's df here)

VS Code version: Code 1.33.1 (51b0b28, 2019-04-11T08:27:14.102Z)
OS version: Windows_NT x64 10.0.18362

System Info

Item	Value
Memory (System)	7.88GB (1.52GB free)
Screen Reader	no
VM	0%

Extensions (5)

Extension	Author (truncated)	Version
lit-html	bie	1.11.0
code-runner	for	0.9.9
latex-workshop	Jam	6.5.1
python	ms-	2019.4.12954
cpptools	ms-	0.23.0

(2 theme extensions excluded)

[RyanJeon]

Seems like whatever is keeping track of what to change on Ctrl+Z is not being updated when you do a Select + Ctrl + F. I'm going to give this a shot.

[rebornix]

/duplicate of #27035 actually.

[vscodebot]

Thanks for creating this issue! We figured it's covering the same as another one we already have. Thus, we closed this one as a duplicate. You can search for existing issues here. See also our issue reporting guidelines.

Happy Coding!