Fix exception throw

[davidegiacometti]

Summary of the Pull Request

• Fix how exceptions are throw in the PowertoyModuleIface to avoid runner crash.
• Also fixed a settings crash caused by FindMyMouse activation mode not falling in a valid range. FindMyMouseActivationMethod is binded as SelectedIndex in the ComboBox.

PR Checklist

• Closes: PowerToys.exe crash with invalid settings #28103
• Communication: I've discussed this with core contributors already. If 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 for new binaries
  • WXS for installer for new binaries and localization folder
  • YML for CI pipeline for new test projects
  • YML for signed pipeline
• Documentation updated: If checked, please file a pull request on our docs repo and link it here: #xxx

Detailed Description of the Pull Request / Additional comments

Validation Steps Performed

• Verified that PowerToys.exe isn't crashing with invalid settings for FindMyMouse, MouseHighlighter, MousePointerCrosshairs and ShortcutGuide

[yuyoyuppe]

Thank you! LGTM

[UrbanPotato]

does this address the same type of crash we are experiencing with mouse without boarders ? #27126

[stefansjfw]

does this address the same type of crash we are experiencing with mouse without boarders ? #27126

Doesn't look like. @yuyoyuppe Can you take a look at #27126 ?

[stefansjfw]

Feel free to merge whenever :)