Deal with duplicate settings in dashboard getSetting()

[swaterkamp]

Checklist:

• [N/A] Tests
• CHANGELOG Entry

[codecov]

Codecov Report

Merging #2290 into gsa-9.0 will increase coverage by 2.89%.
The diff coverage is 88.20%.

@@             Coverage Diff             @@
##           gsa-9.0    #2290      +/-   ##
===========================================
+ Coverage    47.36%   50.25%   +2.89%     
===========================================
  Files         1045     1070      +25     
  Lines        24129    25162    +1033     
  Branches      6745     7143     +398     
===========================================
+ Hits         11428    12645    +1217     
+ Misses       11560    11373     -187     
- Partials      1141     1144       +3     

Impacted Files	Coverage Δ
gsa/src/gmp/cancel.js	100.00% <ø> (ø)
gsa/src/gmp/capabilities/capabilities.js	100.00% <ø> (ø)
gsa/src/gmp/capabilities/everything.js	100.00% <ø> (ø)
gsa/src/gmp/collection/collectioncounts.js	82.60% <ø> (+30.43%)	⬆️
gsa/src/gmp/command.js	100.00% <ø> (ø)
gsa/src/gmp/commands/agents.js	30.43% <ø> (ø)
gsa/src/gmp/commands/alerts.js	14.28% <ø> (ø)
gsa/src/gmp/commands/audits.js	52.45% <ø> (ø)
gsa/src/gmp/commands/auth.js	100.00% <ø> (ø)
gsa/src/gmp/commands/certbund.js	63.63% <ø> (ø)
... and 323 more

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