[K/N] Pass USE_FIR config setting to splitted first stage, and not to second stage

Merge-request: KT-MR-11084
Merged-by: Vladimir Sukharev <Vladimir.Sukharev@jetbrains.com>

kotlin-native/backend.native/cli.bc/src/org/jetbrains/kotlin/cli/bc/K2Native.kt

@@ -137,6 +137,9 @@ class K2Native : CLICompiler<K2NativeCompilerArguments>() {
                 spawnedConfiguration.setupCommonArguments(spawnedArguments, this@K2Native::createMetadataVersion)
                 spawnedConfiguration.setupFromArguments(spawnedArguments)
                 spawnedConfiguration.setupPartialLinkageConfig(configuration.partialLinkageConfig)
+                configuration.get(CommonConfigurationKeys.USE_FIR)?.let {
+                    spawnedConfiguration.put(CommonConfigurationKeys.USE_FIR, it)
+                }
                 configuration.get(CommonConfigurationKeys.LANGUAGE_VERSION_SETTINGS)?.let {
                     spawnedConfiguration.put(CommonConfigurationKeys.LANGUAGE_VERSION_SETTINGS, it)
                 }

kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/KonanDriver.kt

@@ -166,6 +166,8 @@ class KonanDriver(
 
         // For the second stage, remove already compiled source files from the configuration.
         configuration.put(CLIConfigurationKeys.CONTENT_ROOTS, listOf())
+        // Frontend version must not be passed to 2nd stage (same as Gradle plugin does when calling CLI compiler), since there are no sources anymore
+        configuration.put(CommonConfigurationKeys.USE_FIR, false)
         // For the second stage, provide just compiled intermediate KLib as "-Xinclude=" param.
         require(intermediateKLib.exists) { "Intermediate KLib $intermediateKLib must have been created by successful first compilation stage" }
         configuration.put(KonanConfigKeys.INCLUDED_LIBRARIES,