[FE] Always infer upper types to intersection types in K2...

...and always use old algorithm for K1

^KT-51221

compiler/testData/diagnostics/tests/resolve/specialConstructions/exclExclAsCall.fir.kt

@@ -13,7 +13,7 @@ fun <T: A> emptyNullableListOfA(): List<T>? = null
 
 fun testExclExcl() {
     <!INFERRED_TYPE_VARIABLE_INTO_POSSIBLE_EMPTY_INTERSECTION("T; a/A, kotlin/Int; final class and interface")!>doList<!>(emptyNullableListOfA()!!) //should be an error here
-    val l: List<Int> = <!INITIALIZER_TYPE_MISMATCH, NEW_INFERENCE_ERROR!>id(emptyNullableListOfA()!!)<!>
+    val l: List<Int> = <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.List<a.A & kotlin.Int>")!>id(emptyNullableListOfA()!!)<!>
 
     doList(strangeNullableList { doInt(it) }!!) //lambda should be analyzed (at completion phase)
 }