Supported inline function for expression body case

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

@@ -0,0 +1,7 @@
+fun f(p1: Int, p2: Int) = p1 + p2
+
+fun main(args: Array<String>) {
+    println(f(1, 2))
+    println(<caret>f(3, 4))
+    println(f(5, 6))
+}