Delay ForbidInferringPostponedTypeVariableIntoDeclaredUpperBound to 2.0

#KT-57395 Fixed
Related to KT-47986

compiler/testData/diagnostics/tests/inference/builderInference/kt47986_2.kt

@@ -1,4 +1,3 @@
-// FIR_IDENTICAL
 // !RENDER_DIAGNOSTICS_FULL_TEXT
 class Foo<K>
 
@@ -9,7 +8,7 @@ fun <L> Foo<L>.bar() {}
 fun <K> id(x: K) = x
 
 fun main() {
-    val x = <!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>buildFoo<!> { // can't infer
+    val x = <!INFERRED_INTO_DECLARED_UPPER_BOUNDS!>buildFoo<!> { // can't infer
         val y = id(::bar)
     }
 }