HSEARCH-3478 Sonar: "switch" statements should have "default" clauses

... the rule also accepts switches where we define a case for each enum
constants.

util/internal/common/src/main/java/org/hibernate/search/util/impl/common/ToStringTreeBuilder.java

@@ -200,6 +200,10 @@ private void appendIndent() {
 							builder.append( style.indentInListNoBulletPoint );
 						}
 						break;
+					case UNNAMED_ENTRY:
+					case NAMED_ENTRY:
+						// No indent for these
+						break;
 				}
 			}
 			grandParent = parent;