Intention "Convert to expression body"

idea/testData/intentions/convertToExpressionBody/beforeAnonymousObjectExpression.kt

@@ -0,0 +1,12 @@
+// "Convert to expression body" "true"
+trait I {
+    fun foo(): String
+}
+
+fun bar(): I {
+    <caret>return object: I {
+        override fun foo(): String {
+            return "a"
+        }
+    }
+}