feat: Input improvements

[marc2332]

Depends on #268

• Enables keyboard focus for the Input
• Changes the drop shadow
• Moves the corner_radius to the Input Theme

[codecov]

Codecov Report

Attention: 5 lines in your changes are missing coverage. Please review.

Comparison is base (0bb9b29) 54.04% compared to head (3e58b63) 53.80%.
Report is 1 commits behind head on main.

❗ Current head 3e58b63 differs from pull request most recent head fe152c1. Consider uploading reports for the commit fe152c1 to get more accurate results

Files	Patch %	Lines
crates/components/src/input.rs	0.00%	5 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #480      +/-   ##
==========================================
- Coverage   54.04%   53.80%   -0.25%     
==========================================
  Files         153      152       -1     
  Lines       13398    13520     +122     
==========================================
+ Hits         7241     7274      +33     
- Misses       6157     6246      +89     

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