Add explicit bool to int conversion for Dialog return value.

[antonsoroko]

Description

for bug found in #1075 :

When authorizing Trakt after entering the code, Elementum notifies that Trakt has been successfully authorized, however the authorization screen does not go away after authorizing. If you hit OK or back a message comes up saying Trakt authorization cancelled. But after opening it seems it is authorized.

we returned wrong value in python thus we always showed error in golang.

Related Issue

Motivation and Context

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Translation

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[elgatito]

Do not know how it worked before...

[antonsoroko]

@elgatito code used return value from Dialog() only for this trakt auth. and it is UI-only issue, it did not affect the auth process. it just showed confusing error message even if everything was ok.