Callable reference completion for non-imported callables

idea/idea-completion/testData/smartMultiFile/CallableReferenceNotImported/CallableReferenceNotImported.dependency.kt

@@ -0,0 +1,7 @@
+package dependency
+
+fun String.extFun(){}
+fun String.wrongExtFun(p: Int){}
+
+fun topLevelFun(){}
+fun wrongTopLevelFun(p: Int){}

idea/idea-completion/testData/smartMultiFile/CallableReferenceNotImported/CallableReferenceNotImported.kt

@@ -0,0 +1,13 @@
+fun String.foo() {
+    bar(::<caret>)
+}
+
+fun bar(p: () -> Unit) { }
+fun bar(p: String.() -> Unit) { }
+
+
+// INVOCATION_COUNT: 2
+// EXIST: extFun
+// EXIST: topLevelFun
+// ABSENT: wrongExtFun
+// ABSENT: wrongTopLevelFun