Failing no-op implementations for several UI functions

[justsmth]

Description of changes:

Provides a failing no-op implementation of several UI functions so that compilation of dependent packages my proceed.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license and the ISC license.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 0% with 12 lines in your changes missing coverage. Please review.
✅ Project coverage is 78.50%. Comparing base (e02bcd2) to head (26a8a3b).

Files with missing lines	Patch %	Lines
crypto/ui/ui.c	0.00%	12 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2772      +/-   ##
==========================================
- Coverage   78.52%   78.50%   -0.02%     
==========================================
  Files         678      679       +1     
  Lines      115344   115356      +12     
  Branches    16330    16328       -2     
==========================================
- Hits        90577    90565      -12     
- Misses      23971    23994      +23     
- Partials      796      797       +1     

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