Draft: Hotfix 6268 (do not merge)

Preview

https://frontend-core-hotfix-6268.k3s.os2.oxui.de/appsuite/

Fixes

• Security: OXUIB-2660: XSS for RSS content using data attributes
• Security: OXUIB-2688: XSS using "data" attributes at upsell shop
• Security: OXUIB-2689: XSS using tasks "original mail" references
• Fix: OXUIB-2480: Action buttons in contacts detail view hard-coded to Zoom and Jitsi
• Fix: OXUIB-2650: Sharing options of personal address book disabled
• Fix: OXUIB-2663: XSS using data- attributes at upsell ads
• Fix: OXUIB-2693: Context/User level logout location config.
• Fix: OXUIB-2704: Missing contact in compose auto-complete

Chores

• Security: Update different dependencies
• Bump codecept-horizontal-scaler from v0.1.2 to 0.1.4
• Backport of fixed ci and e2e
• Update of license headers
• Chore ui#125: Resolve potential insecure usage of .html()