[frontend] reset searchTerm when highlighting changes in content mapping (#9520)

[JeremyCloarec]

Proposed changes

• now use a local search state in ContainerAddStixCoreObjects when used for mapping, instead of using local storage

Related issues

• Search feature in content mapping view does not search for highlighted text #9520

Checklist

• I consider the submitted work as finished
• I tested the code for its functionality
• I wrote test cases for the relevant uses case (coverage and e2e)
• I added/update the relevant documentation (either on github or on notion)
• Where necessary I refactored code to improve the overall quality

Further comments

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 65.23%. Comparing base (f7549fc) to head (6a47bc5).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #9591   +/-   ##
=======================================
  Coverage   65.23%   65.23%           
=======================================
  Files         630      630           
  Lines       60181    60181           
  Branches     6739     6742    +3     
=======================================
  Hits        39261    39261           
  Misses      20920    20920           

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