feat: Ensure the SmoothSimpleButton has a border on AMOLED theme

[g123k]

Hi everyone,

When we use the SmoothSimpleButton and only with the AMOLED theme, there is no shadow, nor a Ripple color.
However, after testing it a bit, a border fits better.

Before:

After:

[github-actions]

You can test this PR on: Android

[teolemon]

❌ /home/runner/work/smooth-app/smooth-app/packages/smooth_app/test/pages/generic_lib/widgets/smooth_error_card_test.dart: SmoothErrorCard exist (failed)
❌ /home/runner/work/smooth-app/smooth-app/packages/smooth_app/test/pages/generic_lib/widgets/smooth_error_card_test.dart: SmoothErrorCard doesnt find the error message (failed)
❌ /home/runner/work/smooth-app/smooth-app/packages/smooth_app/test/pages/generic_lib/widgets/smooth_error_card_test.dart: SmoothErrorCard find error message (failed)

[codecov-commenter]

Codecov Report

Merging #4440 (b5cbb3f) into develop (13e6d54) will increase coverage by 0.02%.
Report is 1 commits behind head on develop.
The diff coverage is 55.55%.

@@             Coverage Diff             @@
##           develop    #4440      +/-   ##
===========================================
+ Coverage    10.17%   10.20%   +0.02%     
===========================================
  Files          295      295              
  Lines        15087    15096       +9     
===========================================
+ Hits          1535     1540       +5     
- Misses       13552    13556       +4     

Files Changed	Coverage Δ
packages/smooth_app/lib/themes/theme_provider.dart	40.90% <33.33%> (-1.20%)	⬇️
.../lib/generic_lib/buttons/smooth_simple_button.dart	86.36% <66.66%> (-7.39%)	⬇️

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