KT-6891 Type argument of generic type before dot is not resolved

KT-7373 Type parameter names are not suggested
KT-6838 Class declared in same file is not suggested in completion

 #KT-6891 Fixed
 #KT-7373 Fixed
 #KT-6838 Fixed

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

@@ -0,0 +1,7 @@
+class C {
+    val prop: List<F<caret>>
+}
+
+class Foo
+
+// EXIST: Foo

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

@@ -0,0 +1,5 @@
+class C<TParam> {
+    val v: List<T<caret>
+}
+
+// EXIST: TParam