Don't ruin indentation for comments inside expression declarations (KT-23295)

#KT-23295 Fixed

compiler/psi/src/org/jetbrains/kotlin/psi/KtDestructuringDeclaration.java

@@ -29,7 +29,7 @@ import java.util.List;
 
 import static org.jetbrains.kotlin.lexer.KtTokens.*;
 
-public class KtDestructuringDeclaration extends KtDeclarationImpl implements KtValVarKeywordOwner {
+public class KtDestructuringDeclaration extends KtDeclarationImpl implements KtValVarKeywordOwner, KtDeclarationWithInitializer {
     public KtDestructuringDeclaration(@NotNull ASTNode node) {
         super(node);
     }
@@ -45,6 +45,7 @@ public class KtDestructuringDeclaration extends KtDeclarationImpl implements KtV
     }
 
     @Nullable
+    @Override
     public KtExpression getInitializer() {
         ASTNode eqNode = getNode().findChildByType(EQ);
         if (eqNode == null) {
@@ -53,6 +54,11 @@ public class KtDestructuringDeclaration extends KtDeclarationImpl implements KtV
         return PsiTreeUtil.getNextSiblingOfType(eqNode.getPsi(), KtExpression.class);
     }
 
+    @Override
+    public boolean hasInitializer() {
+        return getInitializer() != null;
+    }
+
     public boolean isVar() {
         return getNode().findChildByType(KtTokens.VAR_KEYWORD) != null;
     }