Create from Usage: Use function form when rendering FunctionN types

#KT-7522 Fixed

idea/testData/quickfix/createFromUsage/createFunction/call/callWithLambdaArg.kt.after

@@ -1,7 +1,7 @@
 // "Create member function 'foo'" "true"
 
 class A<T>(val n: T) {
-    fun foo(t: T, s: String, function: Function1<T, T>): A<T> {
+    fun foo(t: T, s: String, function: (T) -> T): A<T> {
         throw UnsupportedOperationException("not implemented") //To change body of created functions use File | Settings | File Templates.
     }
 

idea/testData/quickfix/createFromUsage/createFunction/call/callWithLambdaArgOnly.kt.after

@@ -1,7 +1,7 @@
 // "Create member function 'foo'" "true"
 
 class A<T>(val n: T) {
-    fun foo(function: Function1<T, T>): A<T> {
+    fun foo(function: (T) -> T): A<T> {
         throw UnsupportedOperationException("not implemented") //To change body of created functions use File | Settings | File Templates.
     }
 

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

@@ -0,0 +1,5 @@
+// "Create function 'bar'" "true"
+
+fun foo(block: (Int) -> String) {
+    <caret>bar(block)
+}

idea/testData/quickfix/createFromUsage/createFunction/call/functionalType.kt.after

@@ -0,0 +1,9 @@
+// "Create function 'bar'" "true"
+
+fun foo(block: (Int) -> String) {
+    bar(block)
+}
+
+fun bar(block: (Int) -> String) {
+    throw UnsupportedOperationException("not implemented") //To change body of created functions use File | Settings | File Templates.
+}