Disable EditIcon while loading filters (also fix loading filters)

[swaterkamp]

This will prevent a race condition when opening the EditDialog. Before this change, it was possible that the dialog opened before all settings (filters in particular) where loaded.

Checklist:

• [ N/A ] Tests
• [ X ] CHANGELOG Entry

[codecov]

Codecov Report

Merging #1383 into gsa-8.0 will increase coverage by 0.04%.
The diff coverage is 12.5%.

@@             Coverage Diff             @@
##           gsa-8.0    #1383      +/-   ##
===========================================
+ Coverage     36.1%   36.15%   +0.04%     
===========================================
  Files          960      960              
  Lines        21679    21652      -27     
  Branches      6014     6014              
===========================================
  Hits          7828     7828              
+ Misses       12515    12488      -27     
  Partials      1336     1336

Impacted Files	Coverage Δ
gsa/src/web/pages/usersettings/dialog.js	30.76% <ø> (ø)	⬆️
gsa/src/gmp/commands/users.js	9.09% <ø> (ø)	⬆️
gsa/src/web/pages/usersettings/usersettingspage.js	3.54% <12.5%> (+0.3%)	⬆️

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