K2 Scripting, Fir2Ir: allow out of order supertypes declaration

fix script declarations registration logic in Fir2Ir to allow
supertypes of a class to be defined later than the class itself.

#KT-64534 fixed

compiler/testData/codegen/box/script/outOuOrderDecls.jvm_abi.txt

@@ -0,0 +1,24 @@
+MODULE main
+	CLASS Script.class
+		CLASS METADATA
+			K1
+				<init>([Ljava/lang/String;)V
+			K2
+				---
+			Property: class.metadata.superTypes
+				K1
+					[kotlin/script/templates/standard/ScriptTemplateWithArgs]
+				K2
+					[]
+			Property: class.metadata.contextReceiverTypes
+				K1
+					[]
+				K2
+					[kotlin/script/templates/standard/ScriptTemplateWithArgs]
+	CLASS Script$A.class
+		CLASS METADATA
+			Property: class.metadata.superTypes
+				K1
+					[Script.B, Script.C]
+				K2
+					[B, C]