fix: Can strike-through pre code block.

[Krishna2323]

Fixed Issues

$ Expensify/App#24281

Tests

1. Open any report
2. Paste ~```Code```~
3. Observe the code block text doesn't gets strike through line and code block creates line break before start and after end

QA

1. Open any report
2. Paste ~```Code```~
3. Observe the code block text doesn't gets strike through line and code block creates line break before start and after end

Demo

fix_demo.mp4

[github-actions]

CLA Assistant Lite bot All contributors have signed the CLA ✍️ ✅

[Krishna2323]

I have read the CLA Document and I hereby sign the CLA

[neil-marcellini]

@Krishna2323 I edited the "Fixed issues" link format for you which is important to make sure we get the proper person assigned. I'll assign @eVoloshchak from the issue for the C+ review and then Andrew will review after C+ approves.

[neil-marcellini]

@eVoloshchak I can't assign you but would you please review?

[Krishna2323]

@eVoloshchak friendly reminder for a review.

[eVoloshchak]

Looks good!
@Krishna2323, when submitting the second PR make sure that step 2 for Tests includes the correct message, it should be

Paste ~```Test```~

[Krishna2323]

@arosiclair, sorry for bump but I think its needed here 😅