Formatter: fix line break between declarations with comment

#KT-12490 Fixed
#KT-35088 Fixed

idea/testData/refactoring/pushDown/k2k/pushClassMembers.kt.after

@@ -5,10 +5,13 @@ abstract class A {
 abstract class B : A() {
     // INFO: {"checked": "true"}
     val x = 1
+
     // INFO: {"checked": "true"}
     val y: Int get() = 2
+
     // INFO: {"checked": "true"}
     val z: Int by lazy { 3 }
+
     // INFO: {"checked": "true"}
     abstract val t: Int
 
@@ -32,14 +35,18 @@ abstract class B : A() {
 
 class C : A() {
     val t = 1
+
     // INFO: {"checked": "true"}
     val x = 1
+
     // INFO: {"checked": "true"}
     val y: Int get() = 2
+
     // INFO: {"checked": "true"}
     val z: Int by lazy { 3 }
 
     fun bar(s: String) = s.length()
+
     // INFO: {"checked": "true"}
     fun foo(n: Int): Boolean = n > 0
 

idea/testData/refactoring/pushDown/k2k/pushClassMembersAndMakeAbstract.kt.after

@@ -1,8 +1,10 @@
 abstract class A {
     // INFO: {"checked": "true", "toAbstract": "true"}
     abstract val x: Int
+
     // INFO: {"checked": "true", "toAbstract": "true"}
     abstract val y: Int
+
     // INFO: {"checked": "true", "toAbstract": "true"}
     abstract val z: Int
 
@@ -14,10 +16,13 @@ abstract class A {
 abstract class B : A() {
     // INFO: {"checked": "true", "toAbstract": "true"}
     override val x = 1
+
     // INFO: {"checked": "true", "toAbstract": "true"}
     override val y: Int get() = 2
+
     // INFO: {"checked": "true", "toAbstract": "true"}
     override val z: Int by lazy { 3 }
+
     // INFO: {"checked": "true", "toAbstract": "true"}
     abstract val t: Int
 
@@ -41,14 +46,18 @@ abstract class B : A() {
 
 class C : A() {
     val t = 1
+
     // INFO: {"checked": "true", "toAbstract": "true"}
     override val x = 1
+
     // INFO: {"checked": "true", "toAbstract": "true"}
     override val y: Int get() = 2
+
     // INFO: {"checked": "true", "toAbstract": "true"}
     override val z: Int by lazy { 3 }
 
     fun bar(s: String) = s.length()
+
     // INFO: {"checked": "true", "toAbstract": "true"}
     override fun foo(n: Int): Boolean = n > 0
 

idea/testData/refactoring/pushDown/k2k/pushClassMembersWithGenerics.kt.after

@@ -7,6 +7,7 @@ open class A<T> {
 class B<S> : A<Z<S>>() {
     // INFO: {"checked": "true"}
     val t1: Z<S>
+
     // INFO: {"checked": "true"}
     val t2: Z<Z<S>>
 
@@ -28,6 +29,7 @@ class B<S> : A<Z<S>>() {
 class C<K> : A<B<K>>() {
     // INFO: {"checked": "true"}
     val t1: B<K>
+
     // INFO: {"checked": "true"}
     val t2: Z<B<K>>
 

idea/testData/refactoring/pushDown/k2k/pushInterfaceMembers.kt.after

@@ -5,6 +5,7 @@ interface I {
 abstract class A : I {
     // INFO: {"checked": "true"}
     val x: Int get() = 2
+
     // INFO: {"checked": "true"}
     abstract val y: Int
 
@@ -22,10 +23,12 @@ abstract class A : I {
 
 class B : I {
     val y = 1
+
     // INFO: {"checked": "true"}
     val x: Int get() = 2
 
     fun bar(s: String) = s.length()
+
     // INFO: {"checked": "true"}
     fun foo(n: Int): Boolean = n > 0
 
@@ -38,6 +41,7 @@ class B : I {
 interface J : I {
     // INFO: {"checked": "true"}
     val x: Int get() = 2
+
     // INFO: {"checked": "true"}
     val y: Int
 
@@ -55,10 +59,12 @@ interface J : I {
 
 interface K : I {
     val y: Int get() = 1
+
     // INFO: {"checked": "true"}
     val x: Int get() = 2
 
     fun bar(s: String) = s.length()
+
     // INFO: {"checked": "true"}
     fun foo(n: Int): Boolean = n > 0
 

idea/testData/refactoring/pushDown/k2k/pushInterfaceMembersAndMakeAbstract.kt.after

@@ -10,6 +10,7 @@ interface I {
 abstract class A : I {
     // INFO: {"checked": "true", "toAbstract": "true"}
     override val x: Int get() = 2
+
     // INFO: {"checked": "true", "toAbstract": "true"}
     abstract val y: Int
 
@@ -27,10 +28,12 @@ abstract class A : I {
 
 class B : I {
     val y = 1
+
     // INFO: {"checked": "true", "toAbstract": "true"}
     override val x: Int get() = 2
 
     fun bar(s: String) = s.length()
+
     // INFO: {"checked": "true", "toAbstract": "true"}
     override fun foo(n: Int): Boolean = n > 0
 
@@ -43,6 +46,7 @@ class B : I {
 interface J : I {
     // INFO: {"checked": "true", "toAbstract": "true"}
     override val x: Int get() = 2
+
     // INFO: {"checked": "true", "toAbstract": "true"}
     val y: Int
 
@@ -60,10 +64,12 @@ interface J : I {
 
 interface K : I {
     val y: Int get() = 1
+
     // INFO: {"checked": "true", "toAbstract": "true"}
     override val x: Int get() = 2
 
     fun bar(s: String) = s.length()
+
     // INFO: {"checked": "true", "toAbstract": "true"}
     override fun foo(n: Int): Boolean = n > 0