* Add if-related rector rules

Enable CombineIfRector and SimplifyIfElseToTernaryRector, and disable
the namedArgs and if presets from the Laravel rector set to avoid
conflicts.

* Apply rector if-related rules

Result of running rector with CombineIfRector and
SimplifyIfElseToTernaryRector enabled.

* Fix StyleCI negation spacing in ApiInstallCommand

* Update src/Illuminate/Foundation/Bootstrap/HandleExceptions.php

Co-authored-by: Sebastian Hädrich <11225821+shaedrich@users.noreply.github.com>

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Co-authored-by: Sebastian Hädrich <11225821+shaedrich@users.noreply.github.com>