check that the element type is indeed String

modules/mono/csharp_script.cpp

@@ -2866,17 +2866,24 @@ int CSharpScript::_try_get_member_export_hint(IMonoClassMember *p_member, Manage
 
 		ERR_FAIL_COND_V_MSG(elem_variant_type == Variant::NIL, -1, "Unknown array element type.");
 
-		int hint_res = _try_get_member_export_hint(p_member, elem_type, elem_variant_type, /* allow_generics: */ false, elem_hint, elem_hint_string);
+		bool preset_hint = false;
+		if (elem_variant_type == Variant::STRING) {
+			MonoObject *attr = p_member->get_attribute(CACHED_CLASS(ExportAttribute));
+			if (PropertyHint(CACHED_FIELD(ExportAttribute, hint)->get_int_value(attr)) == PROPERTY_HINT_ENUM) {
+				r_hint_string = itos(elem_variant_type) + "/" + itos(PROPERTY_HINT_ENUM) + ":" + CACHED_FIELD(ExportAttribute, hintString)->get_string_value(attr);
+				preset_hint = true;
+			}
+		}
 
-		ERR_FAIL_COND_V_MSG(hint_res == -1, -1, "Error while trying to determine information about the array element type.");
+		if (!preset_hint) {
+			int hint_res = _try_get_member_export_hint(p_member, elem_type, elem_variant_type, /* allow_generics: */ false, elem_hint, elem_hint_string);
+
+			ERR_FAIL_COND_V_MSG(hint_res == -1, -1, "Error while trying to determine information about the array element type.");
 
-		MonoObject *attr = p_member->get_attribute(CACHED_CLASS(ExportAttribute));
-		if (PropertyHint(CACHED_FIELD(ExportAttribute, hint)->get_int_value(attr)) == PROPERTY_HINT_ENUM) {
-			r_hint_string = itos(elem_variant_type) + "/" + itos(PROPERTY_HINT_ENUM) + ":" + CACHED_FIELD(ExportAttribute, hintString)->get_string_value(attr);
-		} else {
 			// Format: type/hint:hint_string
 			r_hint_string = itos(elem_variant_type) + "/" + itos(elem_hint) + ":" + elem_hint_string;
 		}
+
 		r_hint = PROPERTY_HINT_TYPE_STRING;
 
 	} else if (p_allow_generics && p_variant_type == Variant::DICTIONARY) {