KT-9418 Suggest name for new declaration basing on unresolved names in code

#KT-9418 Fixed

idea/idea-completion/testData/basic/common/fromUnresolvedNames/TopLevelClass.kt

@@ -0,0 +1,13 @@
+// RUN_HIGHLIGHTING_BEFORE
+
+fun foo(p: UnresolvedClass1) {
+    val foo = UnresolvedClass2()
+    val bar = unresolvedValue
+}
+
+class <caret>
+
+// EXIST: TopLevelClass
+// EXIST: UnresolvedClass1
+// EXIST: UnresolvedClass2
+// ABSENT: unresolvedValue