"Convert lambda to reference": fix case with companion object

So #KT-24385 Fixed

idea/testData/intentions/convertLambdaToReference/companion2.kt

@@ -0,0 +1,6 @@
+class C {
+    companion object {
+        fun foo(s: String) = 1
+    }
+    val f = {<caret> s: String -> foo(s) }
+}

idea/testData/intentions/convertLambdaToReference/companion2.kt.after

@@ -0,0 +1,6 @@
+class C {
+    companion object {
+        fun foo(s: String) = 1
+    }
+    val f = ::foo
+}

idea/testData/intentions/convertLambdaToReference/companion3.kt

@@ -0,0 +1,9 @@
+class C {
+    companion object {
+        fun foo(s: String) = 1
+    }
+}
+
+class Test {
+    val f = {<caret> s: String -> C.foo(s) }
+}

idea/testData/intentions/convertLambdaToReference/companion3.kt.after

@@ -0,0 +1,9 @@
+class C {
+    companion object {
+        fun foo(s: String) = 1
+    }
+}
+
+class Test {
+    val f = C.Companion::foo
+}