KT-8968 Special completion after "super."

#KT-8968 Fixed

idea/idea-completion/testData/basic/common/SuperMembers3.kt

@@ -0,0 +1,18 @@
+open class B<T> {
+    open fun xxx_foo(p1: T, vararg p2: String) {}
+    open fun xxx_bar(p1: Int, p2: String) {}
+    open val xxx_val: Int = 0
+}
+
+class C : B<String>() {
+    override fun xxx_foo(p1: String, vararg p2: String) {
+        super.xxx_<caret>
+    }
+}
+
+// WITH_ORDER
+// EXIST: { lookupString: "xxx_foo", itemText: "xxx_foo", tailText: "(p1, *p2)", typeText: "Unit", attributes: "bold" }
+// EXIST: { lookupString: "xxx_foo", itemText: "xxx_foo", tailText: "(p1: String, vararg p2: String)", typeText: "Unit", attributes: "bold" }
+// EXIST: { lookupString: "xxx_val", itemText: "xxx_val", tailText: null, typeText: "Int", attributes: "bold" }
+// EXIST: { lookupString: "xxx_bar", itemText: "xxx_bar", tailText: "(p1: Int, p2: String)", typeText: "Unit", attributes: "bold" }
+// NOTHING_ELSE

idea/idea-completion/testData/basic/common/SuperMembers4.kt

@@ -0,0 +1,17 @@
+open class B {
+    open fun foo() {}
+    open fun bar() {}
+}
+
+class C : B() {
+    override fun foo() {
+        super.<caret>
+    }
+}
+
+// EXIST: { lookupString: "foo", itemText: "foo", tailText: "()", typeText: "Unit", attributes: "bold" }
+// EXIST: { lookupString: "bar", itemText: "bar", tailText: "()", typeText: "Unit", attributes: "bold" }
+// EXIST: equals
+// EXIST: hashCode
+// EXIST: toString
+// NOTHING_ELSE