Restart qmlls when project info changes

When the project info changes, we should update the qmlls version
which the current opened document is using.

Fixes: QTCREATORBUG-31208
Change-Id: Ief338efd863ea7472a4e5b68a5b6e7d601fd0f80
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/plugins/qmljseditor/qmljseditordocument.cpp

@@ -481,6 +481,10 @@ QmlJSEditorDocumentPrivate::QmlJSEditorDocumentPrivate(QmlJSEditorDocument *pare
             &QmllsSettingsManager::settingsChanged,
             this,
             &Internal::QmlJSEditorDocumentPrivate::settingsChanged);
+    connect(modelManager,
+            &ModelManagerInterface::projectInfoUpdated,
+            this,
+            &Internal::QmlJSEditorDocumentPrivate::settingsChanged);
 
     // semantic info
     m_semanticInfoUpdater = new SemanticInfoUpdater();