[FIR] Skip redundant INAPPLICABLE_CANDIDATE on call with unresolved callable reference argument

A new resolution diagnostic UnsuccessfulCallableReferenceAtom is
introduced that is used in EagerResolveOfCallableReferences.
No diagnostic is reported on unresolved calls with this diagnostic
because

#KT-59856

compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/diagnostics/coneDiagnosticToFirDiagnostic.kt

@@ -255,6 +255,9 @@ private fun mapInapplicableCandidateError(
             // And the errors should be reported there
             is ErrorTypeInArguments -> null
 
+            // see EagerResolveOfCallableReferences
+            is UnsuccessfulCallableReferenceAtom -> null
+
             is MultipleContextReceiversApplicableForExtensionReceivers ->
                 FirErrors.AMBIGUOUS_CALL_WITH_IMPLICIT_CONTEXT_RECEIVER.createOn(qualifiedAccessSource ?: source)