update find_members && intersection type

Author: xuhuanzy

crates/emmylua_code_analysis/src/db_index/type/types.rs

@@ -717,8 +717,11 @@ impl LuaFunctionType {
                             {
                                 return false;
                             }
-
-                            semantic_model.type_check(owner_type, t).is_ok()
+                            if semantic_model.type_check(owner_type, t).is_ok() {
+                                return true;
+                            }
+                            // 如果名称是`self`, 则做更宽泛的检查
+                            name == "self" && semantic_model.type_check(t, owner_type).is_ok()
                         }
                         None => name == "self",
                     }

crates/emmylua_code_analysis/src/semantic/generic/instantiate_type/mod.rs

@@ -74,13 +74,6 @@ fn instantiate_tuple(db: &DbIndex, tuple: &LuaTupleType, substitutor: &TypeSubst
             match inner.deref() {
                 VariadicType::Base(base) => {
                     if let LuaType::TplRef(tpl) = base {
-                        // if tpl.is_variadic() {
-                        //     if let Some(generics) = substitutor.get_variadic(tpl.get_tpl_id()) {
-                        //         new_types.extend_from_slice(&generics);
-                        //     }
-                        //     break;
-                        // }
-
                         if let Some(value) = substitutor.get(tpl.get_tpl_id()) {
                             match value {
                                 SubstitutorValue::None => {}