Change Signature: Fix primary constructor processing

idea/testData/refactoring/changeSignature/PrimaryConstructorByRefAfter.kt

@@ -0,0 +1,7 @@
+class A(n: Int) {
+
+}
+
+fun test() {
+    <caret>A(1)
+}

idea/testData/refactoring/changeSignature/PrimaryConstructorByRefBefore.kt

@@ -0,0 +1,7 @@
+class A() {
+
+}
+
+fun test() {
+    <caret>A()
+}