CmdPal: Supress CsWinRT1028 on source generated interop types (#45827)

<!-- Enter a brief description/summary of your PR here. What does it
fix/what does it change/how was it tested (even manually, if necessary)?
-->
## Summary of the Pull Request

This PR add local suppression of CsWinRT1028 (not marked partial) for
`Windows.Win32.UnhookWinEventSafeHandle` and
`Windows.Win32.DeleteObjectSafeHandle`

<!-- Please review the items on the PR checklist before submitting-->
## PR Checklist

- [x] Related to: #42574
- [ ] Closes: #xxx
<!-- - [ ] Closes: #yyy (add separate lines for additional resolved
issues) -->
- [ ] **Communication:** I've discussed this with core contributors
already. If the work hasn't been agreed, this work might be rejected
- [ ] **Tests:** Added/updated and all pass
- [ ] **Localization:** All end-user-facing strings can be localized
- [ ] **Dev docs:** Added/updated
- [ ] **New binaries:** Added on the required places
- [ ] [JSON for
signing](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ESRPSigning_core.json)
for new binaries
- [ ] [WXS for
installer](https://github.com/microsoft/PowerToys/blob/main/installer/PowerToysSetup/Product.wxs)
for new binaries and localization folder
- [ ] [YML for CI
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ci/templates/build-powertoys-steps.yml)
for new test projects
- [ ] [YML for signed
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/release.yml)
- [ ] **Documentation updated:** If checked, please file a pull request
on [our docs
repo](https://github.com/MicrosoftDocs/windows-uwp/tree/docs/hub/powertoys)
and link it here: #xxx

<!-- Provide a more detailed description of the PR, other things fixed,
or any additional comments/features here -->
## Detailed Description of the Pull Request / Additional comments

<!-- Describe how you validated the behavior. Add automated tests
wherever possible, but list manual validation steps taken as well -->
## Validation Steps Performed

src/modules/cmdpal/Microsoft.CmdPal.UI/LocalSuppressions.cs

@@ -8,3 +8,4 @@ using System.Diagnostics.CodeAnalysis;
 [assembly: SuppressMessage("Interoperability", "CsWinRT1028: Class should be marked partial", Justification = "CsWin32 generated code; not used across WinRT boundary", Scope = "type", Target = "~T:Windows.Win32.FreeLibrarySafeHandle")]
 [assembly: SuppressMessage("Interoperability", "CsWinRT1028: Class should be marked partial", Justification = "CsWin32 generated code; not used across WinRT boundary", Scope = "type", Target = "~T:Windows.Win32.UnhookWindowsHookExSafeHandle")]
 [assembly: SuppressMessage("Interoperability", "CsWinRT1028: Class should be marked partial", Justification = "CsWin32 generated code; not used across WinRT boundary", Scope = "type", Target = "~T:Windows.Win32.DeleteObjectSafeHandle")]
+[assembly: SuppressMessage("Interoperability", "CsWinRT1028: Class should be marked partial", Justification = "CsWin32 generated code; not used across WinRT boundary", Scope = "type", Target = "~T:Windows.Win32.UnhookWinEventSafeHandle")]

src/modules/cmdpal/ext/Microsoft.CmdPal.Ext.Apps/LocalSuppressions.cs

@@ -4,3 +4,4 @@
 using System.Diagnostics.CodeAnalysis;
 
 [assembly: SuppressMessage("Interoperability", "CsWinRT1028: Class should be marked partial", Justification = "CsWin32 generated code; not used across WinRT boundary", Scope = "type", Target = "~T:Windows.Win32.SysFreeStringSafeHandle")]
+[assembly: SuppressMessage("Interoperability", "CsWinRT1028: Class should be marked partial", Justification = "CsWin32 generated code; not used across WinRT boundary", Scope = "type", Target = "~T:Windows.Win32.DeleteObjectSafeHandle")]