Replace std::bind with lambda to increase readability

[WhiredPlanck]

Pull request

Issue tracker

Fixes will automatically close the related issue

Fixes # N/A

Feature

Describe feature of pull request

As the title.

Unit test

• Done

Manual test

• Done

Code Review

1. Unit and manual test pass
2. GitHub Action CI pass
3. At least one contributor reviews and votes
4. Can be merged clean without conflicts
5. PR will be merged by rebase upstream base

Additional Info

[ksqsf]

I'm not an expert in C++, so take my suggestions with a grain of salt. I think we should avoid capture-by-reference whenever possible, and be explicit about capturing this.

[ksqsf]

Personally, I think this is good to go.

(BTW, I've been using a local build for some time and there's no regression. Just a datapoint.)