Fix try-runtime

[zjb0807]

paritytech/substrate#11017

[zqhxuyuan]

depend on polkadot-v0.9.17:

cargo run --features with-karura-runtime --features try-runtime -- try-runtime --chain=karura-dev --wasm-execution=compiled offchain-worker live --uri wss://karura.api.onfinality.io:443/public-ws --at=0xbd927a498ef4c30fea7be43d48df511ddf1ec062af90f46da1f96eb11ae226fa -s snapshot.bin
    Finished dev [unoptimized + debuginfo] target(s) in 2.08s
     Running `target/debug/acala try-runtime --chain=karura-dev --wasm-execution=compiled offchain-worker live --uri 'wss://karura.api.onfinality.io:443/public-ws' --at=0xbd927a498ef4c30fea7be43d48df511ddf1ec062af90f46da1f96eb11ae226fa -s snapshot.bin`
thread 'main' panicked at 'Argument "pallets" 🔥
  Arg::is_use_value_delimiter_set is required when Arg::is_require_value_delimiter_set is set.
', /Users/zqh/.cargo/registry/src/github.jparrowsec.cn-1ecc6299db9ec823/clap-3.1.6/src/build/debug_asserts.rs:659:5
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

polkadot-v0.9.17 also has this problem:

➜  polkadot git:(release-v0.9.17) target/debug/polkadot try-runtime --chain=polkadot-dev --wasm-execution=compiled on-runtime-upgrade live --uri 'wss://rpc.polkadot.io'
The application panicked (crashed).
Message:  Argument "pallets"
  ArgSettings::UseValueDelimiter is required when ArgSettings::RequireDelimiter is set.

Location: /Users/zqh/.cargo/registry/src/github.jparrowsec.cn-1ecc6299db9ec823/clap-3.0.14/src/build/arg/debug_asserts.rs:71

Backtrace omitted.
Run with RUST_BACKTRACE=1 environment variable to display it.
Run with RUST_BACKTRACE=full to include source snippets.

[zqhxuyuan]

should be worked on v0.9.18:

     Running `target/debug/acala try-runtime --chain=karura-dev --wasm-execution=compiled offchain-worker live --uri 'wss://karura.api.onfinality.io:443/public-ws' --at=0xbd927a498ef4c30fea7be43d48df511ddf1ec062af90f46da1f96eb11ae226fa -s snapshot.bin`
2022-04-03 19:15:18 Connection established to target: Target { sockaddrs: [], host: "karura.api.onfinality.io", host_header: "karura.api.onfinality.io:443", _mode: Tls, path_and_query: "/public-ws" }
2022-04-03 19:15:18 fetched header from "wss://karura.api.onfinality.io:443/public-ws", block number: 1480056
2022-04-03 19:15:19 Connection established to target: Target { sockaddrs: [], host: "karura.api.onfinality.io", host_header: "karura.api.onfinality.io:443", _mode: Tls, path_and_query: "/public-ws" }
2022-04-03 19:15:19 scraping key-pairs from remote @ 0xbd927a498ef4c30fea7be43d48df511ddf1ec062af90f46da1f96eb11ae226fa
2022-04-03 19:15:19 downloading data for all pallets.
2022-04-03 19:21:09 adding data for hashed key: 26aa394eea5630e07c48ae0c9558cef7f9cce9c888469bb1a0dceaa129672ef8
2022-04-03 19:21:09 adding data for hashed key: 3a636f6465
2022-04-03 19:21:13 👩‍👦 scraping child-tree data from 0 top keys
2022-04-03 19:21:13 injecting a total of 255109 top keys
2022-04-03 19:22:39 injecting a total of 0 child keys
2022-04-03 19:22:40 initialized state externalities with storage root 0x87c04516d0455ca210a58da737fb4f789151ebefb7063d31b6f1b07d5f004f61
2022-04-03 19:22:51 Connection established to target: Target { sockaddrs: [], host: "karura.api.onfinality.io", host_header: "karura.api.onfinality.io:443", _mode: Tls, path_and_query: "/public-ws" }
2022-04-03 19:22:51 found matching spec name: "karura"
2022-04-03 19:22:51 spec version mismatch (local 2023 != remote 2041). This could cause some issues.
2022-04-03 19:22:51 OffchainWorkerApi_offchain_worker executed without errors.