Try to fix multiwindow / split view mode

[nirvn]

Title says it all. I'm unclear whether this is needed or we're dealing with a Qt 6.9 issue. If it's the latter, I can't find a trace of it on the Qt issues website.

[qfield-fairy]

🎉 Ta-daaa, freshly created APKs are available for d034252f75f0f358e52fd4a607a11c9ab3ce7c74: arm64-android

Other architectures

• arm-neon-android
• x64-android
• x86-android
• all access arm64-android
• all access arm-neon-android
• all access x64-android
• all access x86-android

[nirvn]

PSA: removing Qt.ExpandedClientAreaHint leads negative impacts on iOS.