Synthetic java properties are not always bold in completion and are not sorted as extensions

idea/idea-completion/testData/basic/multifile/SyntheticExtensionForGenericClass/SyntheticExtensionForGenericClass.dependency.java

@@ -1,8 +1,8 @@
-class JavaClass<T> {
-    public T getSomething() {
+class JavaClass<T1, T2> {
+    public T2 getSomething() {
         return null;
     }
 
-    public void setSomething(T t) {
+    public void setSomething(T2 t) {
     }
 }

idea/idea-completion/testData/basic/multifile/SyntheticExtensionForGenericClass/SyntheticExtensionForGenericClass.kt

@@ -1,5 +1,5 @@
-fun foo(javaClass: JavaClass<String>) {
+fun foo(javaClass: JavaClass<String, Int>) {
     javaClass.<caret>
 }
 
-// EXIST: { lookupString: "something", itemText: "something", tailText: " (from getSomething()/setSomething())", typeText: "String!" }
+// EXIST: { lookupString: "something", itemText: "something", tailText: " (from getSomething()/setSomething())", typeText: "Int!", attributes: "bold" }