Extract Function: Do not extract extension function reference as parameter

idea/testData/refactoring/extractFunction/parameters/misc/extensionLambda.kt

@@ -0,0 +1,18 @@
+// PARAM_DESCRIPTOR: local final fun Builder.<anonymous>(): kotlin.Unit defined in test.<anonymous>
+// PARAM_TYPES: Builder
+
+class Builder()
+
+fun Builder.build(b: Builder.() -> Unit) {
+}
+
+fun Builder.test(b: Builder, param: Int) {
+    build {
+        build {
+            <selection>build {
+                build {
+                }
+            }</selection>
+        }
+    }
+}

idea/testData/refactoring/extractFunction/parameters/misc/extensionLambda.kt.after

@@ -0,0 +1,22 @@
+// PARAM_DESCRIPTOR: local final fun Builder.<anonymous>(): kotlin.Unit defined in test.<anonymous>
+// PARAM_TYPES: Builder
+
+class Builder()
+
+fun Builder.build(b: Builder.() -> Unit) {
+}
+
+fun Builder.test(b: Builder, param: Int) {
+    build {
+        build {
+            __dummyTestFun__()
+        }
+    }
+}
+
+private fun Builder.__dummyTestFun__() {
+    build {
+        build {
+        }
+    }
+}