Don't display the splash screen for LibreOffice in Windows Camouflage mode

Follow up to bug 5530. Patch is attached.

Feature Branch: feature/5530-disable-splash-screens-in-camouflage-mode

Attachments

• win8_no_splash.txt
• win8_nosplash2.txt
• 0001-tails-prepare-win8-theme-don-t-display-splash-screen.txt

Related issues

• Copied from #5530 (closed)
• Copied to #9959 (closed)

Original created by @hybridwipe on 9958 (Redmine)