Send mouse release event after startSystemMove/startSystemResize

Telegram/SourceFiles/media/view/media_view_pip.cpp

@@ -768,6 +768,11 @@ void PipPanel::startSystemDrag() {
 	} else {
 		widget()->windowHandle()->startSystemMove();
 	}
+
+	Ui::SendSynteticMouseEvent(
+		widget().get(),
+		QEvent::MouseButtonRelease,
+		Qt::LeftButton);
 }
 
 void PipPanel::processDrag(QPoint point) {

Telegram/build/docker/centos_env/Dockerfile

@@ -58,7 +58,7 @@ ENV CXXFLAGS $CFLAGS
 FROM builder AS patches
 RUN git clone {{ GIT }}/desktop-app/patches.git \
 	&& cd patches \
-	&& git checkout 1d72fdb335 \
+	&& git checkout a1b912c90e \
 	&& rm -rf .git
 
 FROM builder AS nasm

Telegram/lib_ui

@@ -1 +1 @@
-Subproject commit cf906f14bd6ed66826527f072f249840dc578f8c
+Subproject commit 83cab52cd6ba93e9292405b23358d8dde3f95567