[FIR] Fix ambiguity of Throws and other std annotations importing

Including `SharedImmutable` and `ThreadLocal`

Simplify code, remove `DefaultImportPriority.KOTLIN_THROWS`

Introduce `FirNativeClassMapper`

core/compiler.common.jvm/src/org/jetbrains/kotlin/name/JvmStandardClassIds.kt

@@ -79,6 +79,7 @@ object JvmStandardClassIds {
         val JvmRecord = "JvmRecord".jvmId()
         val JvmVolatile = "Volatile".jvmId()
         val Throws = "Throws".jvmId()
+        val ThrowsAlias = ClassId(StandardClassIds.BASE_KOTLIN_PACKAGE, Name.identifier("Throws"))
 
         object Java {
             val Deprecated = "Deprecated".javaLangId()