EZP-31594: Refactored --siteaccess command option to not rely on custom Application class

[webhdx]

Question	Answer
JIRA issue	EZP-31594
Type	improvement
Target eZ Platform version	v3.3
BC breaks	no
Doc needed	no

This removes custom Application class completely as well as CONSOLE_INIT event but I assume it can be safely removed because it has been marked @internal. It injects siteaccess option via ConsoleCommandPass. Maybe it could be improved and only add the option to commands marked with particular tag but for now I reflected the original behavior.

There is complementary PR in meta: ezsystems/ezplatform#627

Checklist:

• Provided PR description.
• Tested the solution manually.
• Provided automated test coverage.
• Checked that target branch is set correctly (master for features, the oldest supported for bugs).
• Ran PHP CS Fixer for new PHP code (use $ composer fix-cs).
• Asked for a review (ping @ezsystems/php-dev-team).

[webhdx]

Thanks @adamwojs. Code fixed according to your review. Tests are now passing, I had to modify test suite to use my fork of meta repository.

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!

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