FIR: Fix callable references resolution with stub receivers

Use stubReceiver as a receiver for fake calls

See issues KT-43358 KT-43359 KT-43378

compiler/testData/codegen/box/callableReference/bound/kt12738.kt

@@ -1,6 +1,5 @@
 // DONT_TARGET_EXACT_BACKEND: WASM
 // WASM_MUTE_REASON: BINDING_RECEIVERS
-// IGNORE_BACKEND_FIR: JVM_IR
 fun <T> get(t: T): () -> String {
     return t::toString
 }