FdoSecrets: ask to unlock the database before storing entries

[Aetf]

Fix #7989.

As creating items in the spec can return a proper prompt object, we can implement this without the blocking hack used in "unlock before searching". So this is enabled unconditionally.

Testing strategy

Added unit test

Type of change

• ✅ New feature (change that adds functionality)

[codecov-commenter]

Codecov Report

Merging #8022 (5d0879e) into develop (c5467c4) will increase coverage by 0.02%.
The diff coverage is 77.03%.

@@             Coverage Diff             @@
##           develop    #8022      +/-   ##
===========================================
+ Coverage    64.35%   64.36%   +0.02%     
===========================================
  Files          339      339              
  Lines        43535    43576      +41     
===========================================
+ Hits         28014    28047      +33     
- Misses       15521    15529       +8     

Impacted Files	Coverage Δ
src/fdosecrets/objects/Prompt.h	81.25% <ø> (-6.25%)	⬇️
src/fdosecrets/objects/Service.h	100.00% <ø> (ø)
src/fdosecrets/objects/Prompt.cpp	81.85% <75.47%> (-0.21%)	⬇️
src/fdosecrets/objects/Service.cpp	83.06% <80.95%> (+0.26%)	⬆️

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