feat: Add support for `--reauthorize` flag in login command

[coveralls]

Pull Request Test Coverage Report for Build 4184142951

• 6 of 26 (23.08%) changed or added relevant lines in 2 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.3%) to 86.139%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/box-command.js	5	6	83.33%
src/commands/login.js	1	20	5.0%
<!--	Total:	6	26	23.08%	-->

Files with Coverage Reduction	New Missed Lines	%
src/commands/login.js	1	20.0%
<!--	Total:	1		-->

Totals
Change from base Build 4075668594:	-0.3%
Covered Lines:	3979
Relevant Lines:	4475

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💛 - Coveralls

[mgrytsai]

Solves #448