Smart completion: inheritors instantiation suggested + fixed a bug with incorrect presentation of generic java class instantiation

idea/testData/completion/smartMultiFile/Inheritors/JavaInheritors.java

@@ -0,0 +1,16 @@
+import p2.KotlinTrait
+
+public abstract class JavaInheritor1 implements KotlinTrait {
+}
+
+public class JavaInheritor2 extends JavaInheritor1 {
+    public JavaInheritor2() {
+    }
+
+    public JavaInheritor2(int p) {
+    }
+}
+
+// not visible - it's package local
+class JavaInheritor3 extends KotlinTrait {}
+