Bug Fix: KT-4613

Fix replace with infix function intention to be inapplicable in the
case of package function calls, such as “kotlin.io.println(“”).”

idea/testData/intentions/replaceWithInfixFunctionCall/singlePackageFunctionCall.kt

@@ -0,0 +1,9 @@
+// WITH_RUNTIME
+// IS_APPLICABLE: false
+package demo
+
+fun foo(str: String) = kotlin.io.println(str)
+
+fun main() {
+    <caret>demo.foo("")
+}