[K2] Move IRTranslation perf calculation inside convertToIr* methods

compiler/cli/cli-js/src/org/jetbrains/kotlin/cli/js/klib/compilerPipeline.kt

@@ -236,6 +236,10 @@ fun transformFirToIr(
     }
 
     val firResult = FirResult(firOutputs)
+
+    val performanceManager = moduleStructure.compilerConfiguration[CLIConfigurationKeys.PERF_MANAGER]
+    performanceManager?.notifyIRTranslationStarted()
+
     return firResult.convertToIrAndActualize(
         fir2IrExtensions,
         Fir2IrConfiguration.forKlibCompilation(moduleStructure.compilerConfiguration, diagnosticsReporter),
@@ -247,6 +251,8 @@ fun transformFirToIr(
         actualizerTypeContextProvider = ::IrTypeSystemContextImpl
     ) { _, irPart ->
         (irPart.irModuleFragment.descriptor as? FirModuleDescriptor)?.let { it.allDependencyModules = librariesDescriptors }
+    }.also {
+        performanceManager?.notifyIRTranslationFinished()
     }
 }