refactor: Cleanup various code style warnings

[notheotherben]

No description provided.

[codecov]

Codecov Report

Merging #769 (b151e30) into main (d94648c) will increase coverage by 0.09%.
The diff coverage is 64.86%.

@@            Coverage Diff             @@
##             main     #769      +/-   ##
==========================================
+ Coverage   82.66%   82.76%   +0.09%     
==========================================
  Files          91       91              
  Lines        9318     9305      -13     
==========================================
- Hits         7703     7701       -2     
+ Misses       1615     1604      -11     

Impacted Files	Coverage Δ
src/commands/helpers.rs	89.09% <ø> (ø)
src/commands/shell_init.rs	82.35% <0.00%> (ø)
src/core/prompt.rs	97.90% <ø> (ø)
src/git/cmd.rs	9.09% <ø> (ø)
src/main.rs	41.97% <ø> (ø)
src/update/github.rs	78.10% <20.00%> (+0.28%)	⬆️
src/online/registry/file_registry.rs	54.35% <22.22%> (+0.88%)	⬆️
src/online/registry/github_registry.rs	60.52% <33.33%> (-0.35%)	⬇️
src/commands/setup.rs	82.28% <50.00%> (ø)
src/commands/switch.rs	96.52% <50.00%> (+0.66%)	⬆️
... and 21 more