qmllsclient: fix initialization options

When qmlls is started from the shared interface LanguageClientManager,
initializationOptions are passed from the settings.

Amends a737828d7d

Change-Id: I9a92b185e9ebc1f5726a8c9f69a2cb2a55658a70
Reviewed-by: Sami Shalayel <sami.shalayel@qt.io>

src/plugins/qmljseditor/qmllsclient.cpp

@@ -141,10 +141,6 @@ QmllsClient::QmllsClient(StdIOClientInterface *interface)
         &ProjectExplorer::BuildManager::buildQueueFinished,
         this,
         [this]() { LanguageClientManager::restartClient(this); });
-    QJsonObject initializationOptions {
-        {"qtCreatorHighlighting", true}
-    };
-    setInitializationOptions(initializationOptions);
     semanticTokenSupport()->setTokenTypesMap(QmllsClient::semanticTokenTypesMap());
     semanticTokenSupport()->setTextStyleForTokenType(
         [](int tokenType) -> std::optional<TextEditor::TextStyle> {

src/plugins/qmljseditor/qmllsclientsettings.cpp

@@ -64,6 +64,7 @@ QmllsClientSettings::QmllsClientSettings()
 
     m_settingsTypeId = Constants::QMLLS_CLIENT_SETTINGS_ID;
     m_startBehavior = RequiresProject;
+    m_initializationOptions = "{\"qtCreatorHighlighting\": true}";
 }
 
 static QtVersion *qtVersionFromProject(const Project *project)