add anroid enterprise deleted banner

[ghernandez345]

For #26207

added banner that shows when android enterprise has been deleted.

[codecov]

Codecov Report

Attention: Patch coverage is 27.27273% with 8 lines in your changes missing coverage. Please review.

Project coverage is 63.95%. Comparing base (ad9b5f9) to head (2624b3e).
Report is 8 commits behind head on main.

Files with missing lines	Patch %	Lines
frontend/context/app.tsx	0.00%	6 Missing ⚠️
...DeletedMessage/AndroidEnterpriseDeletedMessage.tsx	66.66%	1 Missing ⚠️
frontend/components/MainContent/MainContent.tsx	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #26685      +/-   ##
==========================================
- Coverage   63.96%   63.95%   -0.02%     
==========================================
  Files        1693     1695       +2     
  Lines      161408   161460      +52     
  Branches     4295     4307      +12     
==========================================
+ Hits       103249   103265      +16     
- Misses      50134    50172      +38     
+ Partials     8025     8023       -2     

Flag	Coverage Δ
frontend	54.50% <27.27%> (-0.10%)	⬇️

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