Fix index.mapping.pattern_text.disable_templating not registered issue

docs/changelog/138265.yaml

@@ -0,0 +1,5 @@
+pr: 138265
+summary: Fix `index.mapping.pattern_text.disable_templating` not registered issue
+area: Mapping
+type: bug
+issues: []

x-pack/plugin/logsdb/qa/rolling-upgrade/src/javaRestTest/java/org/elasticsearch/upgrades/PatternTextRollingUpgradeIT.java

@@ -0,0 +1,30 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the "Elastic License
+ * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
+ * Public License v 1"; you may not use this file except in compliance with, at
+ * your election, the "Elastic License 2.0", the "GNU Affero General Public
+ * License v3.0 only", or the "Server Side Public License, v 1".
+ */
+
+package org.elasticsearch.upgrades;
+
+import com.carrotsearch.randomizedtesting.annotations.Name;
+
+public class PatternTextRollingUpgradeIT extends AbstractStringTypeRollingUpgradeIT {
+
+    public PatternTextRollingUpgradeIT(@Name("upgradedNodes") int upgradedNodes) {
+        super(upgradedNodes);
+    }
+
+    @Override
+    public String stringType() {
+        return "pattern_text";
+    }
+
+    @Override
+    protected void testIndexing(boolean shouldIncludeKeywordMultiField) throws Exception {
+        assumeTrue("pattern_text only available from 9.2.0 onward", oldClusterHasFeature("gte_v9.2.0"));
+        super.testIndexing(shouldIncludeKeywordMultiField);
+    }
+}

x-pack/plugin/logsdb/src/main/java/org/elasticsearch/xpack/logsdb/patterntext/PatternTextFieldMapper.java

@@ -168,7 +168,7 @@ private static Parameter<NamedAnalyzer> analyzerParam(String name, Function<Fiel
          * associated index setting, which is set from the current license status.
          */
         private static Parameter<Boolean> disableTemplatingParameter(IndexSettings indexSettings) {
-            boolean forceDisable = indexSettings.getValue(DISABLE_TEMPLATING_SETTING);
+            boolean forceDisable = DISABLE_TEMPLATING_SETTING.get(indexSettings.getSettings());
             return Parameter.boolParam(
                 "disable_templating",
                 false,