FIR: Rework bare types support

^KT-48305 Fixed

compiler/testData/diagnostics/tests/generics/innerClasses/bareTypesComplex.fir.kt

@@ -1,14 +0,0 @@
-open class SuperOuter<E> {
-    inner open class SuperInner<F>
-}
-
-class DerivedOuter<G> : SuperOuter<G>() {
-    inner class DerivedInner<H> : SuperOuter<G>.SuperInner<H>()
-}
-
-fun bare(x: SuperOuter<*>.SuperInner<*>, y: Any?) {
-    if (x is SuperOuter.SuperInner) return
-    if (y is <!NO_TYPE_ARGUMENTS_ON_RHS!>SuperOuter.SuperInner<!>) {
-        return
-    }
-}

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

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 open class SuperOuter<E> {
     inner open class SuperInner<F>
 }