feat(#3474): Move lock icon on ContactItem.kt, tweak layout.

[jamesarich]

resolves #3474

[codecov]

Codecov Report

❌ Patch coverage is 0% with 18 lines in your changes missing coverage. Please review.
✅ Project coverage is 0.39%. Comparing base (1df58b2) to head (0853762).
⚠️ Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
...java/com/geeksville/mesh/ui/contact/ContactItem.kt	0.00%	18 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##            main   #3487      +/-   ##
========================================
- Coverage   0.39%   0.39%   -0.01%     
========================================
  Files        302     302              
  Lines      17863   17864       +1     
  Branches    2141    2141              
========================================
  Hits          71      71              
- Misses     17776   17777       +1     
  Partials      16      16              

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