VM refactor: builtin functions

[andrei-marinica]

The builtin functions were previously kept as a list of polymorphic trait objects (Vec<dyn BuiltinFunction>). This was not allowing us to have the execute_lambda method accept a closure as generic argument, and had us wrap it in a trait object itself (Box<dyn FnOnce() + 'static>).

The problem is that this was imposing us the 'static lifetime bound, which was hurting the usability of the whitebox testing framework.

The solution was to ditch the dynamic dispatch and go for a simple match on the builtin function name. This way we only use static dispatch and handle closures much easier.

[github-actions]

Contract comparison - from 9ece45e to 0b0a251

Path	size	has-allocator	has-format
mx-sdk-rs/contracts/benchmarks
- send-tx-repeat/send-tx-repeat.wasm	905	No	No
- str-repeat/str-repeat.wasm	2125	No	No
mx-sdk-rs/contracts/benchmarks/mappers
- linked-list-repeat/linked-list-repeat.wasm	7397	No	No
- map-repeat/map-repeat.wasm	8345	No	No
- queue-repeat/queue-repeat.wasm	6674	No	No
- set-repeat/set-repeat.wasm	8108	No	No
- single-value-repeat/single-value-repeat.wasm	5139	No	No
- vec-repeat/vec-repeat.wasm	5943	No	No
mx-sdk-rs/contracts/core
- price-aggregator/multiversx-price-aggregator-sc.wasm	20385	No	No
- wegld-swap/multiversx-wegld-swap-sc.wasm	4436	No	No
mx-sdk-rs/contracts/examples
- adder/adder.wasm	687	No	No
- bonding-curve-contract/bonding-curve-contract.wasm	15624	No	No
- crowdfunding-esdt/crowdfunding-esdt.wasm	3612	No	No
- crypto-bubbles/crypto-bubbles.wasm	2364	No	No
- crypto-zombies/cryptozombies.wasm	11185	No	No
- digital-cash/digital-cash.wasm	10034	No	No
- empty/empty.wasm	232	No	No
- esdt-transfer-with-fee/esdt-transfer-with-fee.wasm	9117	No	No
- factorial/factorial.wasm	567	No	No
- fractional-nfts/fractional-nfts.wasm	8537	No	No
- lottery-esdt/lottery-esdt.wasm	11411	No	No
- multisig
- - multisig.wasm	15416	No	No
- - multisig-full.wasm	17428	No	No
- - multisig-view.wasm	7779	No	No
- nft-minter/nft-minter.wasm	10094	No	No
- nft-storage-prepay/nft-storage-prepay.wasm	2293	No	No
- ping-pong-egld/ping-pong-egld.wasm	6750	No	No
- proxy-pause/proxy-pause.wasm	5757	No	No
- rewards-distribution/rewards-distribution.wasm	11312	No	No
- seed-nft-minter/seed-nft-minter.wasm	15039	No	No
- token-release/token-release.wasm	8513	No	No
mx-sdk-rs/contracts/examples/crypto-kitties
- kitty-auction/kitty-auction.wasm	11004	No	No
- kitty-genetic-alg/kitty-genetic-alg.wasm	3584	No	No
- kitty-ownership/kitty-ownership.wasm	14067	No	No
mx-sdk-rs/contracts/examples/order-book
- factory/order-book-factory.wasm	5050	No	No
- pair/order-book-pair.wasm	16454	No	No
mx-sdk-rs/contracts/feature-tests
- abi-tester
- - abi-tester.wasm	7741	No	No
- - abi-tester-ev.wasm	758	No	No
- alloc-features/alloc-features.wasm	19676	No	Yes
- basic-features
- - basic-features.wasm	57314	No	No
- - basic-features-storage-bytes.wasm	539	No	No
- big-float-features/big-float-features.wasm	5170	No	No
- esdt-system-sc-mock/esdt-system-sc-mock.wasm	4488	No	No
- formatted-message-features/formatted-message-features.wasm	4352	No	No
- managed-map-features/managed-map-features.wasm	1231	No	No
- multi-contract-features
- - multi-contract-alt-impl.wasm	361	No	No
- - multi-contract-example-feature.wasm	678	No	No
- - multi-contract-features.wasm	679	No	No
- - multi-contract-features-view.wasm	1116	No	No
- panic-message-features/panic-message-features.wasm	3594	No	Yes
- payable-features/payable-features.wasm	5163	No	No
- rust-snippets-generator-test/rust-snippets-generator-test.wasm	5799	No	No
- rust-testing-framework-tester/rust-testing-framework-tester.wasm	8393	No	No
- use-module
- - use-module.wasm	33726	No	Yes
- - use-module-view.wasm	734	No	No
mx-sdk-rs/contracts/feature-tests/composability
- forwarder/forwarder.wasm	29106	No	No
- forwarder-queue
- - forwarder-queue.wasm	11391	No	No
- - forwarder-queue-promises.wasm	12693	No	No
- forwarder-raw
- - forwarder-raw.wasm	14519	No	No
- - forwarder-raw-init-async-call.wasm	4592	No	No
- - forwarder-raw-init-sync-call.wasm	4450	No	No
- local-esdt-and-nft/local-esdt-and-nft.wasm	11997	No	No
- promises-features/promises-features.wasm	10450	No	No
- proxy-test-first/proxy-test-first.wasm	6788	No	No
- proxy-test-second/proxy-test-second.wasm	1952	No	No
- recursive-caller/recursive-caller.wasm	5850	No	No
- transfer-role-features/transfer-role-features.wasm	8753	No	No
- vault
- - vault.wasm	7433	No	No
- - vault-promises.wasm	8156	No	No
mx-sdk-rs/contracts/feature-tests/composability/esdt-contract-pair
- first-contract/first-contract.wasm	2711	No	No
- second-contract/second-contract.wasm	1342	No	No
mx-sdk-rs/contracts/feature-tests/composability/execute-on-dest-esdt-issue-callback
- child/child.wasm	4972	No	No
- parent/parent.wasm	1852	No	No
mx-sdk-rs/contracts/feature-tests/erc-style-contracts
- crowdfunding-erc20/crowdfunding-erc20.wasm	6260	No	No
- erc1155/erc1155.wasm	12854	No	No
- erc1155-marketplace/erc1155-marketplace.wasm	12136	No	No
- erc1155-user-mock/erc1155-user-mock.wasm	1448	No	No
- erc20/erc20.wasm	2130	No	No
- erc721/erc721.wasm	2485	No	No
- lottery-erc20/lottery-erc20.wasm	13474	No	No