Refine type arguments resolution and rendering

In case of type constructors captured parameters from outer classes

 #KT-5510 Fixed
 #KT-3112 Fixed
 #KT-6325 Fixed
 #KT-408  Fixed
 #KT-6337 Fixed

compiler/testData/diagnostics/tests/generics/innerClasses/innerVariance.kt

@@ -0,0 +1,14 @@
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+class Outer<out E, in F> {
+    inner class Inner {
+        fun unsafe1(x: <!TYPE_VARIANCE_CONFLICT!>E<!>) {}
+        fun unsafe2(x: Collection<<!TYPE_VARIANCE_CONFLICT!>E?<!>>) {}
+        fun unsafe3(): <!TYPE_VARIANCE_CONFLICT!>F?<!> = null
+        fun unsafe4(): Collection<<!TYPE_VARIANCE_CONFLICT!>F<!>>? = null
+    }
+
+    // Should be errors
+    // Refinement of variance checker is needed
+    fun foo(x: Inner) {}
+    fun bar(): Inner? = null
+}