dev-qt/qtwebengine: backport :6 favicon display fix

Not worth a revbump rebuild, but is still annoying and
wanted to toss it here at least for future builds.

Signed-off-by: Ionen Wolkens <ionen@gentoo.org>

dev-qt/qtwebengine/files/qtwebengine-6.3.1-favicon.patch

@@ -0,0 +1,28 @@
+Backport dev branch fix for favicons sometime not showing in
+some consumers like qutebrowser. Not currently included in
+upcoming 6.3.2 so may be needed beyond 6.3.1.
+
+https://bugreports.qt.io/browse/QTBUG-103735
+https://github.com/qt/qtwebengine/commit/c5de1b2123
+--- a/src/core/favicon_driver_qt.cpp
++++ b/src/core/favicon_driver_qt.cpp
+@@ -300,15 +300,15 @@ void FaviconDriverQt::DidStartNavigation(content::NavigationHandle *navigation_h
+         return;
+ 
+     m_faviconUrls.reset();
+-    m_completedHandlersCount = 0;
+-    m_latestFavicon = FaviconStatusQt();
+ 
+     if (!navigation_handle->IsSameDocument()) {
++        m_completedHandlersCount = 0;
++        m_latestFavicon = FaviconStatusQt();
+         m_documentOnLoadCompleted = false;
+         m_manifestUrl = GURL();
+-    }
+ 
+-    m_viewClient->iconChanged(QUrl());
++        m_viewClient->iconChanged(QUrl());
++    }
+ 
+     content::ReloadType reload_type = navigation_handle->GetReloadType();
+     if (reload_type == content::ReloadType::NONE || IsOffTheRecord())

dev-qt/qtwebengine/qtwebengine-6.3.1.ebuild

@@ -88,6 +88,7 @@ DEPEND="${RDEPEND}
 
 PATCHES=(
 	"${FILESDIR}"/${P}-widevine.patch
+	"${FILESDIR}"/${P}-favicon.patch
 )
 
 python_check_deps() {