rra/ilgonmic/eager-like-native

[JS IR] Leave JsEagerInitialization until bootstrap update

[JS IR] Fix js stdlib api

[JS IR] Change annotation on eager initialization in sources

[JS IR] Make eager initialization consistent with native

Merge-request: KT-MR-5030

compiler/testData/codegen/box/properties/eagerInitializationGlobal1.kt

@@ -9,7 +9,7 @@ var z2 = false
 // FILE: lib2.kt
 
 @OptIn(kotlin.ExperimentalStdlibApi::class)
-@JsEagerInitialization
+@EagerInitialization
 val x = foo()
 
 private fun foo(): Int {