Fix "Pre-select greenbone sensor as default scanner type"

[swaterkamp]

What:
Make #2867 work by not presetting the type parameter for the dialog

Why:
Greenbone Sensor was still not pre-selected

How:
manual test

Checklist:

• Tests
• CHANGELOG Entry
• Labels for ports to other branches

[codecov]

Codecov Report

Merging #2924 (a2ec2d4) into gsa-21.04 (74a1fd3) will increase coverage by 0.00%.
The diff coverage is 77.77%.

@@            Coverage Diff             @@
##           gsa-21.04    #2924   +/-   ##
==========================================
  Coverage      53.83%   53.84%           
==========================================
  Files           1075     1075           
  Lines          26226    26250   +24     
  Branches        7491     7506   +15     
==========================================
+ Hits           14118    14133   +15     
- Misses         10993    11000    +7     
- Partials        1115     1117    +2     

Impacted Files	Coverage Δ
gsa/src/web/pages/notes/dialog.js	4.87% <ø> (ø)
gsa/src/web/pages/nvts/solution.js	22.22% <0.00%> (-11.12%)	⬇️
gsa/src/web/pages/radius/dialog.js	66.66% <ø> (ø)
gsa/src/web/pages/results/dashboard/index.js	75.00% <ø> (ø)
gsa/src/web/pages/results/details.js	6.74% <0.00%> (-0.16%)	⬇️
gsa/src/web/pages/scanners/component.js	2.70% <ø> (ø)
gsa/src/web/pages/schedules/dialog.js	10.23% <ø> (ø)
gsa/src/web/pages/targets/details.js	10.00% <ø> (ø)
gsa/src/web/pages/usersettings/dialog.js	29.41% <ø> (ø)
gsa/src/web/pages/scanners/dialog.js	70.31% <66.66%> (+0.47%)	⬆️
... and 14 more

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