docs: fix NFD searching with uppercase, fix clearing tips

[tasosbit]

ℹ Overview

2 quick fixes based on mobile testing:

• fix NFD searching with uppercase
• fix clearing tips until first search (search scrolls under keyboard on mobile)

✅ Acceptance:

• Pre-commit checks pass

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 32.22%. Comparing base (86a03f7) to head (915babb).
Report is 8 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #147   +/-   ##
=======================================
  Coverage   32.22%   32.22%           
=======================================
  Files          76       76           
  Lines        6423     6423           
=======================================
  Hits         2070     2070           
  Misses       4241     4241           
  Partials      112      112           

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