Doc: Update QML Language Server preferences docs

- Some labels changed
- "Use QML Language Server advanced features" was added

Task-number: QTCREATORBUG-29392
Change-Id: I2c4f4d43b8f8e9d74186439e31a9d8cf13ec4967
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: David Schulz <david.schulz@qt.io>

doc/qtcreator/src/editors/creator-code-syntax.qdoc

@@ -712,6 +712,8 @@
     \uicontrol {Disable messages for non Qt Quick UI}. You cannot
     enable messages just for non-Qt Quick UI files.
 
+    \sa {QML Language Server}
+
     \section1 Resetting the Code Model
 
     If you change the build and run kit when you have QML files open in the code

doc/qtcreator/src/editors/creator-only/creator-language-server.qdoc

@@ -143,15 +143,22 @@
 
     \section2 QML Language Server
 
-    Since Qt 6.4, the \c qmlls language server offers code completion and
-    issues warnings for QML. To enable QML language server support, select
-    \preferences > \uicontrol {Qt Quick} >
-    \uicontrol {QML/JS Editing} > \uicontrol {Use qmlls (EXPERIMENTAL!)}.
+    Since Qt 6.4, the QML language server offers code completion and
+    issues warnings for QML. To use it, select \preferences >
+    \uicontrol {Qt Quick} > \uicontrol {QML/JS Editing} >
+    \uicontrol {Enable QML Language Server}.
+
+    To use advanced features, such as renaming and finding usages, select the
+    \uicontrol {Use QML Language Server advanced features} check box.
+
     To use the latest version of the language server installed on your
-    system, select the \uicontrol {Always use latest qmlls} check box.
+    system, select the
+    \uicontrol {Use QML Language Server from latest Qt version} check box.
 
     \image qtcreator-qml-js-editing.webp {QML/JS Editing preferences}
 
+    \sa {Enabling and Disabling Messages}
+
     \section1 Supported Locator Filters
 
     The locator enables you to browse not only files, but any items defined by