[cch] btc_final_tlc_expiry attempt to add with overflow

[gpBlockchain]

config

                "cch_btc_final_tlc_expiry": 18446744073709551615,

rpc call receive_btc return overflow

curl --location 'http://127.0.0.1:8228' --header 'Content-Type: application/json' --data '{
    "id": 42,
    "jsonrpc": "2.0",
    "method": "receive_btc",
    "params": [
        {
            "fiber_pay_req": "fibd10000001pphes47fyecqzg7dwfhddwgz645dhpuq58ugm97jp7rrpyh09wkwylq67lgd80cpy8jpnws5rp9f7lh3vj5al8zkeup3qzg830xx42k0m0ndaze7pu9rhk8hjjh2gu4nsnjs2ua679vaw5yprqzhm8fy9u72d3zfggslfydakdvmk75ep5gqwqqlkxh9cdfvnjx6j80xud2pv83c842sdzps83tkh7a63a22qgh08dtaep38ul4j2h2rxdnfyd0uldpdq330nmxz2r4ntedg5kazhmgu04zcsfskw76ylu574f7567kr4r4x2y0aa902974vu8sth40w3xycrnqa7zct4l2tkwgr94kf04yqwfllh6nwc28k52qcu54uw86s9zg0fg8rgh0pcxdvv454lmqueapjsnzelpcmnmxchy7rrsrsd8xe5x90pcddujs7f2lzlc2alfhduzgp53f6x3"
        }
    ]
}'



thread 'tokio-runtime-worker' panicked at crates/fiber-lib/src/cch/actor.rs:498:26:
attempt to add with overflow
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

thread 'tokio-runtime-worker' panicked at crates/fiber-lib/src/actors.rs:79:17:
Actor unexpectedly panicked (id: Actor { name: Some("cch actor"), id: Local(9) }): "attempt to add with overflow"

[gpBlockchain]

cltv_expiry overflow
https://github.com/doitian/fiber/blob/feature/cch-monitor-store-changes/crates/fiber-lib/src/cch/actor.rs#L497

fee_sats overflow
https://github.com/doitian/fiber/blob/327aed099eb360954b9478060885b0999e80f2f4/crates/fiber-lib/src/cch/actor.rs#L482

thread 'tokio-runtime-worker' panicked at crates/fiber-lib/src/cch/actor.rs:482:24:
attempt to multiply with overflow
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

thread 'tokio-runtime-worker' panicked at crates/fiber-lib/src/actors.rs:79:17:
Actor unexpectedly panicked (id: Actor { name: Some("cch actor"), id: Local(9) }): "attempt to multiply with overflow"