Changed default port to 22 for scanner dialog

[saberlynx]

Checklist:

• [] Tests
• CHANGELOG Entry

[codecov]

Codecov Report

Merging #1768 into gsa-9.0 will not change coverage.
The diff coverage is 0%.

@@           Coverage Diff            @@
##           gsa-9.0    #1768   +/-   ##
========================================
  Coverage    47.45%   47.45%           
========================================
  Files         1049     1049           
  Lines        24231    24231           
  Branches      6804     6831   +27     
========================================
  Hits         11499    11499           
  Misses       11583    11583           
  Partials      1149     1149

Impacted Files	Coverage Δ
gsa/src/web/pages/scanners/dialog.js	11.11% <0%> (ø)	⬆️

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