* fix: warning: declaration shadows a variable in the global namespace [clang-diagnostic-shadow]
* fix: warning: use 'contains' to check for membership [readability-container-contains]
* fix: warning: variable gl_confdir can be made static or moved into an anonymous namespace to enforce internal linkage [misc-use-internal-linkage]
* warning: function 'TorrentFilter::match_mode' has a definition with different parameter names [readability-inconsistent-declaration-parameter-name]
* refactor: use std::filesystem for tr_sys_path_is_same()
* refactor: use std::filesystem for tr_sys_path_exists()
* refactor: use std::filesystem for tr_sys_path_is_relative()
* refactor: use std::filesystem for tr_sys_path_get_info()
* refactor: use std::filesystem for tr_sys_dir_create()
* refactor: add `maybe_set_error()` helper
* refactor: change behavior to match previous impl
* fix: tr_sys_path_is_same() checks
refactor: address code review feedback
* refactor: address code review feedback
* chore: fix readability-else-after-return clang-tidy warning
* fix: warning: Value stored to 'created' during its initialization is never read [clang-analyzer-deadcode.DeadStores]
fix: warning: parameter 'permissions' is unused [misc-unused-parameters]
* ci: work around a MSVC STL 14.44.35207 clang-tidy false warning
* refactor: simplify return logic of tr_sys_path_is_same()
2649e7acdd