[javadoc] Do not format PsiMarkdownCodeBlock-s

#IDEA-371809 Fixed

GitOrigin-RevId: 225e1fd572a073c3c6257aa593f5adb42b4dcebb

java/java-frontback-impl/src/com/intellij/psi/formatter/java/AbstractJavaBlock.java

@@ -19,6 +19,7 @@ import com.intellij.psi.impl.source.codeStyle.ShiftIndentInsideHelper;
 import com.intellij.psi.impl.source.tree.*;
 import com.intellij.psi.impl.source.tree.injected.InjectedLanguageUtil;
 import com.intellij.psi.impl.source.tree.java.ClassElement;
+import com.intellij.psi.javadoc.PsiMarkdownCodeBlock;
 import com.intellij.psi.jsp.JspClassLevelDeclarationStatementType;
 import com.intellij.psi.jsp.JspCodeBlockType;
 import com.intellij.psi.tree.IElementType;
@@ -204,7 +205,7 @@ public abstract class AbstractJavaBlock extends AbstractBlock implements JavaBlo
         InjectedLanguageUtil.hasInjections((PsiLanguageInjectionHost)child)) {
       return new CommentWithInjectionBlock(child, wrap, alignment, indent, settings, javaSettings, formattingMode);
     }
-    if (child instanceof LeafElement) {
+    if (child instanceof LeafElement || child instanceof PsiMarkdownCodeBlock) {
       if (child.getElementType() == JavaTokenType.C_STYLE_COMMENT) {
         return new CStyleCommentBlock(child, actualIndent);
       }

java/java-tests/testSrc/com/intellij/java/psi/formatter/java/JavadocFormatterTest.kt

@@ -2307,4 +2307,27 @@ public class Test {
     }
     """.trimIndent())
   }
+
+  fun testMarkdownCodeBlocksNotAffected() {
+    settings.apply {
+      WRAP_COMMENTS = true
+      RIGHT_MARGIN = 120
+    }
+
+    doTextTest("""
+      ///    only this should be reformated
+        ///  ```java
+          ///   @Annotation  public static final @Annotation2 List<String> myList = List.of("a", "b", "c");
+      ///  ```
+      public class Foo {
+      }
+      """.trimIndent(), """
+      /// only this should be reformated
+      ///  ```java
+      ///   @Annotation  public static final @Annotation2 List<String> myList = List.of("a", "b", "c");
+      ///  ```
+      public class Foo {
+      }
+      """.trimIndent())
+  }
 }