[FIR] temporary mute blackbox test which fails on runtime

It was failing before, but it was hidden as the actual test was not run due to the bug in the test pipeline.

In the case of any WrappedException.FromHandler were thrown, no blackbox tests were run.

Tracking issue: ^KT-56861

plugins/fir-plugin-prototype/testData/box/classWithAllPropertiesConstructor.kt

@@ -1,9 +1,11 @@
-// FIR_DISABLE_LAZY_RESOLVE_CHECKS
 // DUMP_IR
 // WITH_STDLIB
 // WITH_REFLECT
 // FULL_JDK
 
+// ignored, see KT-56861, looks like the bytecode for the generated constructor is invalid and blackbox test fails on runtime
+// IGNORE_BACKEND_K2: JVM_IR
+
 // MODULE: a
 import org.jetbrains.kotlin.fir.plugin.AllPropertiesConstructor