KotlinFunctionCallUsage: fix psi tree

#KT-38632

idea/src/org/jetbrains/kotlin/idea/refactoring/changeSignature/usages/KotlinFunctionCallUsage.kt

@@ -305,11 +305,13 @@ class KotlinFunctionCallUsage(
             defaultValueForCall != null -> substituteReferences(defaultValueForCall, parameter.defaultValueParameterReferences, psiFactory)
             else -> null
         }
+
         val argName = (if (isInsideOfCallerBody) null else name)?.let { Name.identifier(it) }
         return psiFactory.createArgument(argValue ?: psiFactory.createExpression("0"), argName).apply {
-            generatedArgumentValue = true
             if (argValue == null) {
-                getArgumentExpression()!!.delete()
+                getArgumentExpression()?.delete()
+            } else {
+                generatedArgumentValue = true
             }
         }
     }
@@ -437,7 +439,9 @@ class KotlinFunctionCallUsage(
         }
 
         val oldArgumentList = element.valueArgumentList.sure { "Argument list is expected: " + element.text }
-        replaceListPsiAndKeepDelimiters(oldArgumentList, newArgumentList) { arguments }
+        for (argument in replaceListPsiAndKeepDelimiters(oldArgumentList, newArgumentList) { arguments }.arguments) {
+            if (argument.getArgumentExpression() == null) argument.delete()
+        }
 
         element.accept(
             object : KtTreeVisitorVoid() {

idea/testData/quickfix/createFromUsage/createVariable/primaryParameter/valOnUserType.kt.after

@@ -4,5 +4,5 @@
 class A<T>(val n: T, val foo: A<Int>)
 
 fun test() {
-    val a: A<Int> = A(1, ).foo
+    val a: A<Int> = A(1,).foo
 }

idea/testData/quickfix/createFromUsage/createVariable/primaryParameter/varOnUserType.kt.after

@@ -4,5 +4,5 @@
 class A<T>(val n: T, var foo: String)
 
 fun test() {
-    A(1, ).foo = "1"
+    A(1,).foo = "1"
 }