Move Statement: Fix comma placement for class parameter

#KT-6672 Fixed

idea/testData/codeInsight/moveUpDown/parametersAndArguments/funParams2.kt.after

@@ -0,0 +1,16 @@
+// MOVE: down
+// MOVER_CLASS: org.jetbrains.kotlin.idea.codeInsight.upDownMover.JetExpressionMover
+class A {
+    fun foo<T,
+            U,
+            W>(
+            b: Int,
+            c: Int,
+            <caret>a: Int
+    ) {
+
+    }
+    class B {
+
+    }
+}