Basic completion shows items from smart completion after "as" + do not insert any tail in basic completion

idea/idea-completion/testData/basic/common/fromSmart/AfterAs.kt

@@ -0,0 +1,7 @@
+fun foo(list: List<String>){}
+
+fun bar(o: Any) {
+    foo(o as <caret>)
+}
+
+// EXIST: { itemText: "List<String>" }

idea/idea-completion/testData/basic/common/fromSmart/AfterAsNoDuplicates.kt

@@ -0,0 +1,10 @@
+class Xyz
+
+fun foo(xyz: Xyz){}
+
+fun bar(o: Any) {
+    foo(o as Xy<caret>)
+}
+
+// EXIST: Xyz
+// NOTHING_ELSE