LoadingTransform UI/UX improvements

[dalthviz]

Part of #485

A preview (DatePicker Input as example):

Before	After

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 78.78%. Comparing base (9b9780e) to head (97fbc8b).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #503      +/-   ##
==========================================
+ Coverage   78.67%   78.78%   +0.10%     
==========================================
  Files          31       31              
  Lines        2940     2955      +15     
==========================================
+ Hits         2313     2328      +15     
  Misses        627      627              

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