[KLIB] Add a reliable mechanism to check if KLIB has IR inside

^KT-62341

compiler/ir/serialization.common/src/org/jetbrains/kotlin/backend/common/serialization/IncrementalCompilationSupport.kt

@@ -26,6 +26,7 @@ import org.jetbrains.kotlin.library.impl.*
 class ICData(val icData: List<SerializedIrFile>, val containsErrorCode: Boolean)
 
 class ICKotlinLibrary(private val icData: List<SerializedIrFile>) : IrLibrary {
+    override val hasIr get() = true
     override val dataFlowGraph: ByteArray? = null
 
     private inline fun <K, R : IrTableReader<K>> Array<R?>.itemBytes(fileIndex: Int, key: K, factory: () -> R): ByteArray {