Create From Usage: Fix rendering of nullable types

idea/testData/quickfix/createFromUsage/createFunction/call/afterFunWithNullableParamType.kt

@@ -0,0 +1,11 @@
+// "Create function 'foo' from usage" "true"
+
+class A<T>(val n: T) {
+    fun foo(arg: T?): A<Int> {
+        throw UnsupportedOperationException("not implemented") //To change body of created functions use File | Settings | File Templates.
+    }
+}
+
+fun test() {
+    val a: A<Int> = A(true).foo(false as Boolean?)
+}

idea/testData/quickfix/createFromUsage/createFunction/call/afterFunWithNullableType.kt

@@ -0,0 +1,11 @@
+// "Create function 'foo' from usage" "true"
+
+class A<T>(val n: T) {
+    fun foo(arg: T): A<T>? {
+        throw UnsupportedOperationException("not implemented") //To change body of created functions use File | Settings | File Templates.
+    }
+}
+
+fun test() {
+    val a: A<Int>? = A(1).foo(2)
+}

idea/testData/quickfix/createFromUsage/createFunction/call/afterFunWithNullableTypeParameter.kt

@@ -0,0 +1,11 @@
+// "Create function 'foo' from usage" "true"
+
+class A<T>(val n: T) {
+    fun foo(arg: T): A<String> {
+        throw UnsupportedOperationException("not implemented") //To change body of created functions use File | Settings | File Templates.
+    }
+}
+
+fun test() {
+    val a: A<String> = A(1 as Int?).foo(2)
+}

idea/testData/quickfix/createFromUsage/createFunction/call/beforeFunWithNullableParamType.kt

@@ -0,0 +1,7 @@
+// "Create function 'foo' from usage" "true"
+
+class A<T>(val n: T)
+
+fun test() {
+    val a: A<Int> = A(true).<caret>foo(false as Boolean?)
+}

idea/testData/quickfix/createFromUsage/createFunction/call/beforeFunWithNullableType.kt

@@ -0,0 +1,7 @@
+// "Create function 'foo' from usage" "true"
+
+class A<T>(val n: T)
+
+fun test() {
+    val a: A<Int>? = A(1).<caret>foo(2)
+}

idea/testData/quickfix/createFromUsage/createFunction/call/beforeFunWithNullableTypeParameter.kt

@@ -0,0 +1,7 @@
+// "Create function 'foo' from usage" "true"
+
+class A<T>(val n: T)
+
+fun test() {
+    val a: A<String> = A(1 as Int?).<caret>foo(2)
+}