Extract Function: Do not extract into lambda

idea/testData/refactoring/extractFunction/initializers/classes/classInitializerWithLambda.kt

@@ -0,0 +1,6 @@
+// PARAM_TYPES: kotlin.Int
+class A(val a: Int, b: Int) {
+    {
+        println({ <selection>a + b</selection> - 1 }.invoke())
+    }
+}

idea/testData/refactoring/extractFunction/initializers/classes/classInitializerWithLambda.kt.after

@@ -0,0 +1,10 @@
+// PARAM_TYPES: kotlin.Int
+class A(val a: Int, b: Int) {
+    {
+        println({ i(b) - 1 }.invoke())
+    }
+
+    fun i(b: Int): Int {
+        return a + b
+    }
+}

idea/testData/refactoring/extractFunction/initializers/classes/classParametersWithLambda.kt

@@ -0,0 +1,3 @@
+// PARAM_TYPES: kotlin.Int
+val n = 1
+class A(val a: Int, val b: Int = { <selection>a + n</selection> }.invoke())

idea/testData/refactoring/extractFunction/initializers/classes/classParametersWithLambda.kt.after

@@ -0,0 +1,7 @@
+// PARAM_TYPES: kotlin.Int
+val n = 1
+class A(val a: Int, val b: Int = { i(a) }.invoke())
+
+fun i(a: Int): Int {
+    return a + n
+}