Supported inline function for expression body case

idea/testData/refactoring/inline/function/expressionBody/ComplexArgumentNotUsed.kt

@@ -0,0 +1,11 @@
+fun <caret>f(p: Int) = g()
+
+fun g() {
+}
+
+fun complexFun(): Int {
+}
+
+fun main(args: Array<String>) {
+    f(complexFun())
+}