[K2, MPP] Remove redundant expect declarations from klib metadata

^KT-57250 Fixed

Introduce flat Fir2IrActualizedResult

It contains output from Fir2Ir and IrActualizer

compiler/incremental-compilation-impl/src/org/jetbrains/kotlin/incremental/IncrementalFirJvmCompilerRunner.kt

@@ -275,7 +275,7 @@ class IncrementalFirJvmCompilerRunner(
             val extensions = JvmFir2IrExtensions(configuration, JvmIrDeserializerImpl(), JvmIrMangler)
             val irGenerationExtensions =
                 (projectEnvironment as? VfsBasedProjectEnvironment)?.project?.let { IrGenerationExtension.getInstances(it) }.orEmpty()
-            val platformIrOutput = cycleResult.convertToIrAndActualizeForJvm(
+            val (irModuleFragment, components, pluginContext, irActualizationResult) = cycleResult.convertToIrAndActualizeForJvm(
                 extensions,
                 irGenerationExtensions,
                 linkViaSignatures = false,
@@ -289,9 +289,10 @@ class IncrementalFirJvmCompilerRunner(
                 targetId,
                 configuration,
                 extensions,
-                platformIrOutput.irModuleFragment,
-                platformIrOutput.components,
-                platformIrOutput.pluginContext
+                irModuleFragment,
+                components,
+                pluginContext,
+                irActualizationResult
             )
 
             val codegenOutput = generateCodeFromIr(irInput, compilerEnvironment, performanceManager)

compiler/incremental-compilation-impl/src/org/jetbrains/kotlin/incremental/incrementalFirCacheUtils.kt

@@ -52,7 +52,8 @@ internal fun collectNewDirtySources(
                         globalSerializationBindings,
                         data.lastOrNull(),
                         targetId,
-                        configuration
+                        configuration,
+                        irActualizationResult = null
                     )
                     data.push(serializer)
                     body(serializer)