QDS-14556 Extend tests

This MR brings the following changes;

• fix: design studio manager does not fire disconnected signal
• add: a new function to reset the settings
• tests: new tests for design studio integration, settings, and project management
• tests: test app now has the same app-icon with the Qt UI Viewer
• doc: update README to fix the xunit-viewer usage example
• cicd: build single multi-arch aab that contains all available platforms (QDS-14698)

src/backend/dsconnector/ds.cpp

@@ -19,7 +19,7 @@ using namespace Qt::Literals;
 constexpr auto deviceInfo = "deviceInfo"_L1;
 constexpr auto projectReceivingProgress = "projectReceivingProgress"_L1;
 constexpr auto projectStarting = "projectStarting"_L1;
-constexpr auto projectRunning = "projectRunning"_L1;
+constexpr auto projectStarted = "projectRunning"_L1;
 constexpr auto projectStopped = "projectStopped"_L1;
 constexpr auto projectLogs = "projectLogs"_L1;
 }; // namespace PackageToDesignStudio
@@ -126,6 +126,10 @@ void DesignStudio::disconnect()
 
 QString DesignStudio::ipv4Addr() const
 {
+    qDebug() << "peer addr:" << m_socket->peerAddress().toString();
+    qDebug() << "peer name:" << m_socket->peerName();
+    qDebug() << "local addr:" << m_socket->localAddress().toString();
+
     return m_socket->peerAddress().toString();
 }
 
@@ -247,9 +251,9 @@ void DesignStudio::sendProjectStarting()
     sendData(PackageToDesignStudio::projectStarting);
 }
 
-void DesignStudio::sendProjectRunning()
+void DesignStudio::sendProjectStarted()
 {
-    sendData(PackageToDesignStudio::projectRunning);
+    sendData(PackageToDesignStudio::projectStarted);
 }
 
 void DesignStudio::sendProjectStopped()