Don't check suitability of a builder inference call if unrestricted builder inference is enabled

^KT-42139 Fixed

compiler/frontend/src/org/jetbrains/kotlin/resolve/calls/inference/BuilderInferenceSession.kt

@@ -6,6 +6,7 @@
 package org.jetbrains.kotlin.resolve.calls.inference
 
 import org.jetbrains.kotlin.builtins.KotlinBuiltIns
+import org.jetbrains.kotlin.config.LanguageFeature
 import org.jetbrains.kotlin.descriptors.CallableDescriptor
 import org.jetbrains.kotlin.descriptors.ModuleDescriptor
 import org.jetbrains.kotlin.descriptors.impl.*
@@ -93,7 +94,10 @@ class BuilderInferenceSession(
             return subResolvedAtoms?.any { it.hasPostponed() } == true
         }
 
-        if (!candidate.isSuitableForBuilderInference()) {
+        val isUnrestrictedBuilderInferenceSupported =
+            callComponents.languageVersionSettings.supportsFeature(LanguageFeature.UnrestrictedBuilderInference)
+
+        if (!isUnrestrictedBuilderInferenceSupported && !candidate.isSuitableForBuilderInference()) {
             return true
         }