fix CTID in tx command returns invalidParams on lowercase hex

[yinyiqian1]

fix #4776

High Level Overview of Change

Context of Change

Type of Change

• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] Refactor (non-breaking change that only restructures code)
• [ ] Performance (increase or change in throughput and/or latency)
• [ ] Tests (you added tests for code that already exists, or your new feature included in this PR)
• [ ] Documentation update
• [ ] Chore (no impact to binary, e.g. .gitignore, formatting, dropping support for older tooling)
• [ ] Release

API Impact

• [ ] Public API: New feature (new methods and/or new fields)
• [ ] Public API: Breaking change (in general, breaking changes should only impact the next api_version)
• [ ] libxrpl change (any change that may affect libxrpl or dependents of libxrpl)
• [ ] Peer protocol change (must be backward compatible or bump the peer protocol version)

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 71.3%. Comparing base (c706926) to head (784059d).

Additional details and impacted files

[](https://app.codecov.io/gh/XRPLF/rippled/pull/5049?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=XRPLF) ```diff @@ Coverage Diff @@ ## develop #5049 +/- ## ======================================= Coverage 71.3% 71.3% ======================================= Files 796 796 Lines 66987 66987 Branches 10886 10866 -20 ======================================= + Hits 47765 47788 +23 + Misses 19222 19199 -23 ``` | [Files](https://app.codecov.io/gh/XRPLF/rippled/pull/5049?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=XRPLF) | Coverage Δ | | |---|---|---| | [src/ripple/rpc/CTID.h](https://app.codecov.io/gh/XRPLF/rippled/pull/5049?src=pr&el=tree&filepath=src%2Fripple%2Frpc%2FCTID.h&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=XRPLF#diff-c3JjL3JpcHBsZS9ycGMvQ1RJRC5o) | `100.0% <100.0%> (ø)` | | ... and [5 files with indirect coverage changes](https://app.codecov.io/gh/XRPLF/rippled/pull/5049/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=XRPLF) [](https://app.codecov.io/gh/XRPLF/rippled/pull/5049?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=XRPLF)