chore(frontend): search parameters adjustments

[shini4i]

The changes in this PR are the following:

• We no longer add empty variable in search query
• Refresh interval is no longer depending on query, it's saved in local storage

[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarCloud

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 53.45%. Comparing base (af2cb29) to head (6a6fac0).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #296   +/-   ##
=======================================
  Coverage   53.45%   53.45%           
=======================================
  Files          26       26           
  Lines        1822     1822           
=======================================
  Hits          974      974           
  Misses        757      757           
  Partials       91       91           

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