Security and Privacy section improved with UI

[anisha-e10]

Improved, #2598

This PR introduces improvements to the security and privacy UI on the activity page. The changes enhance user experience.

Reference Image (When Recovery State is Disabled) :

Reference Image (When Recovery State is Incomplete) :

Reference Image (When Recovery State is Enabled) :

Reference Image ( When Recovery State is Incomplete) :

Note : When allowDisabling is true in backup page.

[codecov]

Codecov Report

Attention: Patch coverage is 91.02564% with 7 lines in your changes missing coverage. Please review.

Project coverage is 33.29%. Comparing base (7916340) to head (1db62d0).
Report is 16 commits behind head on main.

Files with missing lines	Patch %	Lines
app/lib/features/space/widgets/space_toolbar.dart	0.00%	4 Missing ⚠️
.../features/backups/widgets/backup_state_widget.dart	91.66%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2639      +/-   ##
==========================================
+ Coverage   33.16%   33.29%   +0.12%     
==========================================
  Files         743      744       +1     
  Lines       48244    48314      +70     
==========================================
+ Hits        16001    16084      +83     
+ Misses      32243    32230      -13     

Flag	Coverage Δ
integration-test	43.24% <ø> (-0.09%)	⬇️
unittest	24.12% <91.02%> (+0.22%)	⬆️

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[kumarpalsinh25]

Nice UI improvement!

Code changes look good to me.

Good to have widget testing for SecurityPrivacyWidget and BackupStateWidget.