KT-9839 related, primary constructor to secondary: comment restoration

(cherry picked from commit 48a1853)

idea/testData/intentions/convertPrimaryConstructorToSecondary/withComments.kt

@@ -0,0 +1,12 @@
+/**
+ * An important class
+ */
+class WithComments
+/**
+ * Some nasty constructor
+ */
+<caret>constructor(
+        /* First parameter */
+        val first: Int,
+        /* Second Parameter */
+        val second: Double)

idea/testData/intentions/convertPrimaryConstructorToSecondary/withComments.kt.after

@@ -0,0 +1,17 @@
+/**
+ * An important class
+ */
+class WithComments
+/**
+ * Some nasty constructor
+ */
+{/* First parameter */
+    /* Second Parameter */
+    val first: Int
+    val second: Double
+
+    constructor(first: Int, second: Double) {
+        this.first = first
+        this.second = second
+    }
+}