feat(types): allow serialization specifiers for trait fields (#1303)

We treat `Int as int257` and `Int` as equivalent types, otherwise,
if serializations in the inherited and current trait/contracts are not equal
an error is reported

CHANGELOG.md

@@ -32,6 +32,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Remove `org.ton.chain.any.v0` interface: PR [#1207](https://github.com/tact-lang/tact/pull/1207)
 - To reduce fees, Tact no longer stores the parent contract code in the system cell that holds all the child contract codes used in `initOf`. Instead, the `MYCODE` instruction is used: PR [#1213](https://github.com/tact-lang/tact/pull/1213)
 - Generated TS wrappers now use `const` where possible for variable declarations: PR [#1292](https://github.com/tact-lang/tact/pull/1292)
+- Allow serialization specifiers for trait fields PR: [#1303](https://github.com/tact-lang/tact/pull/1303)
 
 ### Fixed
 

src/test/e2e-emulated/contracts/sample-jetton.tact

@@ -51,8 +51,8 @@ contract SampleJetton with Jetton {
 // ============================================================================================================ //
 @interface("org.ton.jetton.master")
 trait Jetton with Ownable {
-    totalSupply: Int; // Already set initially 
-    max_supply: Int;
+    totalSupply: Int as coins; // Already set initially
+    max_supply: Int as coins;
     mintable: Bool;
     owner: Address;
     content: Cell;
@@ -331,4 +331,4 @@ struct JettonWalletData {
     owner: Address;
     master: Address;
     walletCode: Cell;
-}
+}