Better completion for static members: special behavior in case of imports from same class exist

idea/idea-completion/testData/basic/common/staticMembers/JavaStaticMethodsFromImports.kt

@@ -0,0 +1,10 @@
+import java.util.Collections.singletonList
+
+fun foo() {
+    singl<caret>
+}
+
+// INVOCATION_COUNT: 1
+// EXIST_JAVA_ONLY: { allLookupStrings: "singleton", itemText: "Collections.singleton", tailText: "(T!) (java.util)", typeText: "(Mutable)Set<T!>!", attributes: "" }
+// ABSENT: { itemText: "Collections.singletonList" }
+// EXIST_JAVA_ONLY: { itemText: "singletonList", tailText: "(T!)", typeText: "(Mutable)List<T!>!", attributes: "" }