welcomepage: fix title translation

Change-Id: Ied989089c59293802b16cf252a538f56d1fbc147

src/app/mainview/components/WelcomePage.qml

@@ -85,6 +85,14 @@ ListSelectionView {
     property color mainBoxTextColor: JamiTheme.textColor
     property color contentTipAndIdColor: JamiTheme.tintedBlue
 
+    Connections {
+        target: UtilsAdapter
+        function onChangeLanguage() {
+            title = hasCustomUi && uiCustomization.title !== undefined ? uiCustomization.title : JamiStrings.welcomeToJami;
+            description = hasCustomUi && uiCustomization.description !== undefined ? uiCustomization.description : JamiStrings.hereIsIdentifier;
+        }
+    }
+
     function updateUiFlags() {
         hasCustomUi = Object.keys(uiCustomization).length > 0;
         hasTitle = hasCustomUi ? uiCustomization.title !== "" : true;