Fix code inlining for expression body with multiple occurrences

So #KT-17022 Fixed

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

@@ -0,0 +1,4 @@
+
+fun <caret>sqr(x: Double) = x * x
+
+fun bisqr(x: Double) = sqr(sqr(x))

idea/testData/refactoring/inline/function/expressionBody/MultipleInComposition.kt.after

@@ -0,0 +1,4 @@
+fun bisqr(x: Double): Double {
+    val x1 = x * x
+    return x1 * x1
+}

idea/testData/refactoring/inline/function/expressionBody/MultipleInExpression.kt.after

@@ -1,8 +1,8 @@
 class Point(val x: Double, val y: Double) {
     // After sqr inlining, only first usage of sqr is replaced
     fun distance(other: Point): Double {
-        val x1 = x - other.x
-        // See KT-17022
-        return Math.sqrt(x1 * x1 + sqr(y - other.y))
+        val x1 = y - other.y
+        val x2 = x - other.x
+        return Math.sqrt(x2 * x2 + x1 * x1)
     }
 }