Debug symbols (option) for desktop client - particular daily builds

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## Feature request

**Which Nextcloud Version are you currently using:** (see administration page)

windows-20250921.msi

**Is your feature request related to a problem? Please describe.**

I hit a crash and ended up in VS2022 debugger (which I happened to have). Don't have (and can't find) any debug symbols to make the backtrace more meaningful.

**Describe the solution you'd like**

Packages for debug symbols - either just the daily's, or all beta / releases builds.

**Describe alternatives you've considered**
NA

**Additional context**

Qt6Core.dll!00007ff8bc755c60()
nextcloud_csync.dll!00007ff95a617d5c()
nextcloud_csync.dll!00007ff95a616e91()
nextcloud_csync.dll!00007ff95a616e2f()
Qt6Core.dll!00007ff8bc920082()
Qt6Core.dll!00007ff8bc91bda6()
kernel32.dll!00007ff9852e7374()
ntdll.dll!00007ff98685cc91()