K2 Scripting: enable script diagnostic tests for FIR

also add script scopes test

compiler/testData/diagnostics/tests/script/resolveInitializerOfDestructuringDeclarationOnce.fir.kts

@@ -0,0 +1,7 @@
+val (a, b, c) = <!COMPONENT_FUNCTION_MISSING, COMPONENT_FUNCTION_MISSING, COMPONENT_FUNCTION_MISSING, NO_VALUE_FOR_PARAMETER!>A()<!>
+
+class A(val a: Int) {
+    operator fun component1() {}
+    operator fun component2() {}
+    operator fun component3() {}
+}