www/qt5-webengine: Update to 5.14.2

• Under the hood runs Chromium version to 77.0.3865.129 with security patches up to 80.0.3987.132 .

• Restore one patch that was removed in r497425 . It's now required again to get successful builds.

Changelog:

[QTBUG-78284] Fixed conversion of tabpanel aria role
[QTBUG-81206] Fixed overriding shortcuts in password input fields

on Windows

[QTBUG-80234] Fixed media playback issue on custom urls by supporting HTTP

ranges headers

[QTBUG-81521] Update navigation actions when load finishes in a subframe
[QTBUG-82109] Fixed name filters of GTK file picker
[QTBUG-78284] Fixed widget accessibility on macOS
[QTBUG-78284] Fixed quick accessibility on macOS
[QTBUG-81783] Fixed event.key for Ctrl key combinations on Windows
[QTBUG-81574] Clear previous page text selection on new navigation

unconditionally

[QTBUG-78284] Fixed VoiceOver navigation on web pages on macOS
[QTBUG-81539] Update accessibility focus on FocusIn events for Quick
[QTBUG-82715] Support build with system ninja >= 1.10.0

• Fixed deadlocks on WebEngineContext destruction
• Suppress error message on ACCESSIBILITY_EVENTS permission type
• Example 'quicknanobrowser' improvements

Approved by: tcberner (kde)