K2: Don't lose constraint errors in the builder inference session

Pass constraint errors from the integration system into a candidate to
make sure it is reported later.

Related to KT-59426, KT-59437, KT-53749
#KT-55168 Submitted

compiler/testData/diagnostics/testsWithStdLib/builderInference/upperBoundViolation.fir.kt

@@ -4,8 +4,8 @@
 fun <T : Number> printGenericNumber(t: T) = println("Number is $t")
 
 fun main() {
-    buildList { // inferred into MutableList<String>
+    <!NEW_INFERENCE_ERROR!>buildList { // inferred into MutableList<String>
         add("Boom")
         printGenericNumber(this[0])
-    }
+    }<!>
 }