cli,lib: fix style

[qdeslandes]

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[Copilot]

Pull request overview

This PR applies consistent code formatting across CLI and library files to improve readability and adhere to line length conventions.

Changes:

• Reformatted long function calls and error messages to wrap at reasonable line lengths
• Aligned function parameters consistently when split across multiple lines
• Improved macro formatting with proper alignment

Reviewed changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
src/libbpfilter/set.c	Wrapped long bf_err_r call and bf_list_add_tail call to multiple lines
src/libbpfilter/matcher.c	Wrapped long bf_err_r call with format string across multiple lines
src/libbpfilter/include/bpfilter/chain.h	Split function declaration bf_chain_get_set_by_name parameters across lines
src/libbpfilter/cli.c	Wrapped bf_request_new_from_pack and bf_err_r calls across multiple lines
src/libbpfilter/chain.c	Split function definition bf_chain_get_set_by_name parameters across lines to match header
src/bfcli/opts.h	Reformatted bfc_opts_default() macro with improved alignment
src/bfcli/opts.c	Realigned function parameters for _bfc_opts_set_add_cb and _bfc_opts_set_remove_cb, wrapped doc string
src/bfcli/chain.c	Wrapped bf_set_new and bf_err_r calls across multiple lines

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