Add fix to show warning messages for workspace pages with cache

[patsatsia]

https://dev.azure.com/unicef/ICTD-HCT-MIS/_workitems/edit/264217

[codecov]

Codecov Report

❌ Patch coverage is 94.28571% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 95.49%. Comparing base (02b9e12) to head (b5de5d6).
⚠️ Report is 18 commits behind head on develop.

Files with missing lines	Patch %	Lines
src/country_workspace/cache/middleware.py	88.88%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #179      +/-   ##
===========================================
- Coverage    95.50%   95.49%   -0.01%     
===========================================
  Files          181      181              
  Lines         5723     5755      +32     
  Branches       516      526      +10     
===========================================
+ Hits          5466     5496      +30     
- Misses         157      158       +1     
- Partials       100      101       +1     

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