Only focus if scrolling is not disabled

[MikeShi42]

Fixes https://github.com/gilbarbara/react-joyride/issues/817

This changes so that the Scope does not auto-focus unless scrollToFirstStep is set to true and disableScrolling is not false. This may or may not be desirable behavior, but it wasn't clear to me what would be the right thing to do.

Additionally, changes husky pre-commit to find commands from the local node_modules bin folder, for some reason on my Mac it was not able to find lint-staged. Not sure if that's just a me issue or a general issue.

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[gilbarbara]

Fixed in 2.7.2 Thanks