feat: more activity types in request activities

[Dao-Ho]

• title change
• description change
• room number change
• department change

[codecov]

Codecov Report

❌ Patch coverage is 0% with 108 lines in your changes missing coverage. Please review.
✅ Project coverage is 6.06%. Comparing base (e140b52) to head (aac81a1).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
...ients/web/src/components/requests/ActivityFeed.tsx	0.00%	61 Missing ⚠️
backend/internal/handler/requests.go	0.00%	42 Missing ⚠️
...ts/web/src/components/home/CreateRequestDrawer.tsx	0.00%	4 Missing ⚠️
.../web/src/components/requests/ViewRequestDrawer.tsx	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##            main    #460      +/-   ##
========================================
- Coverage   6.11%   6.06%   -0.06%     
========================================
  Files        208     208              
  Lines      12094   12194     +100     
  Branches      29      29              
========================================
  Hits         740     740              
- Misses     11328   11428     +100     
  Partials      26      26              

Flag	Coverage Δ
backend	13.21% <0.00%> (-0.15%)	⬇️
mobile	97.29% <ø> (ø)
web	2.42% <0.00%> (-0.02%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
backend/internal/models/requests.go	0.00% <ø> (ø)
.../web/src/components/requests/ViewRequestDrawer.tsx	0.00% <0.00%> (ø)
...ts/web/src/components/home/CreateRequestDrawer.tsx	0.00% <0.00%> (ø)
backend/internal/handler/requests.go	44.73% <0.00%> (-5.00%)	⬇️
...ients/web/src/components/requests/ActivityFeed.tsx	0.00% <0.00%> (ø)

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