[JS IR BE] Support main function

* Implement IR-based main function detector

compiler/cli/src/org/jetbrains/kotlin/cli/js/K2JsIrCompiler.kt

@@ -198,7 +198,8 @@ class K2JsIrCompiler : CLICompiler<K2JSCompilerArguments>() {
             return ExitCode.COMPILATION_ERROR
         }
 
-        // TODO: Handle main call parameters
+        // TODO: Handle non-empty main call arguments
+        val mainCallArguments = if (K2JsArgumentConstants.NO_CALL == arguments.main) null else emptyList<String>()
 
         val dependencies = libraries.flatMap { listOfNotNull(loadIrLibrary(it, messageCollector)) }
             .distinctBy { it.moduleName }
@@ -214,7 +215,8 @@ class K2JsIrCompiler : CLICompiler<K2JSCompilerArguments>() {
                 sourcesFiles,
                 configuration,
                 immediateDependencies = dependencies,
-                allDependencies = dependencies
+                allDependencies = dependencies,
+                mainArguments = mainCallArguments
             )
 
             outputFile.writeText(compiledModule)