Formatter: fix line break between declarations with comment

#KT-12490 Fixed
#KT-35088 Fixed

nj2k/testData/newJ2k/comments/comments2.kt

@@ -14,6 +14,7 @@ internal class A {
     private /*it's private*/  val field = 0
     /*it's public*/   fun foo(s: String?): Char {}
     protected /*it's protected*/   fun foo(c: Char) {}
+
     /**
      * Method description.
      * Multi-line method description.

nj2k/testData/newJ2k/detectProperties/Comments.kt

@@ -8,6 +8,7 @@ internal class A(// comment for field2 setter
     // Comment for field1 getter
     // Comment for field1
     var field1 = 0
+
     // comment for field3 setter
     // comment for field3 getter
     // comment before field3

nj2k/testData/newJ2k/field/volatileTransientAndStrictFp.kt

@@ -5,6 +5,7 @@ internal class A {
     var field1 = 0
     @Transient
     var field2 = 1
+
     // Should work even for bad modifiers
     @Strictfp
     var field3 = 2.0

nj2k/testData/newJ2k/formatting/nonStaticMembersWithComments.kt

@@ -6,7 +6,6 @@ internal class F {
     //c3
 //c4
     fun f2() {}
-
     var i = 0
     fun f3() {} //c5
 }

nj2k/testData/newJ2k/formatting/staticAndNonStaticMembersWithComments.kt

@@ -2,7 +2,6 @@ internal class F {
     //c3
 //c4
     fun f2() {}
-
     fun f3() {}
     fun f4() {}
 
@@ -10,8 +9,8 @@ internal class F {
         //c1
 /*c2*/
         fun f1() {}
-
         var i = 0
+
         //c5
         fun f5() {} //c6
     }

nj2k/testData/newJ2k/formatting/staticMembersWithComments.kt

@@ -6,7 +6,6 @@ internal object F {
     //c3
 //c4
     fun f2() {}
-
     var i = 0
     fun f3() {} //c5
 }

nj2k/testData/newJ2k/issues/comments.kt

@@ -49,6 +49,7 @@ internal class C {
      */
 //comments
     var l = 0
+
     /*two*/ /*comments*/ /*line*/
     var z = 0
 }