packaging(ci): ship Windows Inno Setup installer (setup.exe)

[ZhuchkaTriplesix]

Parent

Part of #379

Problem

WindowsExeInstaller already handles Inno-like silent flags (/SILENT /NORESTART /CLOSEAPPLICATIONS) but CI only ships a portable zip.

Proposal

• Add Inno Setup script + CI job producing Querya-Desktop-{ver}-windows-setup.exe.
• Keep portable *-windows.zip for the portable channel.
• Installer should register uninstall entry and use the real product/bundle id (coordinate with bundle-id issue).

Acceptance

• Release publishes *-windows-setup.exe + checksum
• Silent install flags match updater expectations
• Installed app updates prefer setup.exe when that context is detected
• Smoke: install → launch → uninstall on a clean Windows VM/runner

References

• lib/core/updater/installers/windows_exe_installer.dart
• .github/workflows/release.yml (windows zip step)