Fix Advanced installer incorrectly canceling when pressing Install

[Al12rs]

No description provided.

[Sewer56]

👌

[codecov-commenter]

Codecov Report

Merging #808 (0026f8c) into main (c9dcc7a) will increase coverage by 0.64%.
The diff coverage is 0.00%.

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Additional details and impacted files

@@            Coverage Diff             @@
##             main     #808      +/-   ##
==========================================
+ Coverage   60.29%   60.94%   +0.64%     
==========================================
  Files         613      613              
  Lines       18641    18641              
  Branches     1339     1339              
==========================================
+ Hits        11239    11360     +121     
+ Misses       7054     6940     -114     
+ Partials      348      341       -7     

Flag	Coverage Δ
Linux	60.31% <0.00%> (+0.02%)	⬆️
Windows	60.14% <0.00%> (∅)
clean_environment_tests	60.93% <0.00%> (+0.63%)	⬆️
network_tests	?
networking_tests	?

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
...edInstallerPages/AdvancedInstallerPageViewModel.cs	0.00% <0.00%> (ø)

... and 34 files with indirect coverage changes

[Al12rs]

For some reason the first CI pass failed. Tried reproducing locally with no success, second pass worked.
We should keep an eye out.