fix(clipboard): actually escape powershell commands

[NSPC911]

continuation of #7157, hopefully this should be the last one

resolves #8166 hopefully

What does this PR do?

use powershell's auto-escape ability by wrapping strings in single inverted comma ' instead of double inverted comma "

How did you verify your code works?

like just copy it

Before:

 = (Invoke-Expression "Write-Host 'Hello'")

After:

$output = (Invoke-Expression "Write-Host 'Hello'")

[github-actions]

Thanks for your contribution!

This PR doesn't have a linked issue. All PRs must reference an existing issue.

Please:

1. Open an issue describing the bug/feature (if one doesn't exist)
2. Add Fixes #<number> or Closes #<number> to this PR description

See CONTRIBUTING.md for details.

[github-actions]

The following comment was made by an LLM, it may be inaccurate:

Based on my search, here are the related PRs to PR #8150:

Related/Potentially Related PRs:

1. test: cover powershell clipboard escaping #7177 - test: cover powershell clipboard escaping

   • test: cover powershell clipboard escaping #7177
   • Directly related as it adds tests for powershell clipboard escaping

2. fix(clipboard): add OSC 52 fallback for SSH/tmux environments #7028 - fix(clipboard): add OSC 52 fallback for SSH/tmux environments

   • fix(clipboard): add OSC 52 fallback for SSH/tmux environments #7028
   • Related clipboard fixes that may interact with powershell escaping

These aren't duplicates of PR #8150, but they are closely related PRs in the same clipboard/powershell feature area. PR #8150 appears to be a continuation of issue #7157 as noted in the description.