Analyze all files listed in the command even if the --path option is used

[SimplyDanny]

Same change like #3923 for the analyze command.

[SwiftLintBot]

	12 Messages
📖	Linting Aerial with this PR took 0.98s vs 0.98s on master (0% slower)
📖	Linting Alamofire with this PR took 1.11s vs 1.11s on master (0% slower)
📖	Linting Firefox with this PR took 4.19s vs 4.21s on master (0% faster)
📖	Linting Kickstarter with this PR took 7.46s vs 7.47s on master (0% faster)
📖	Linting Moya with this PR took 4.37s vs 4.44s on master (1% faster)
📖	Linting Nimble with this PR took 0.4s vs 0.4s on master (0% slower)
📖	Linting Quick with this PR took 0.18s vs 0.18s on master (0% slower)
📖	Linting Realm with this PR took 10.22s vs 9.93s on master (2% slower)
📖	Linting SourceKitten with this PR took 0.33s vs 0.33s on master (0% slower)
📖	Linting Sourcery with this PR took 2.05s vs 2.02s on master (1% slower)
📖	Linting Swift with this PR took 3.22s vs 3.22s on master (0% slower)
📖	Linting WordPress with this PR took 7.54s vs 7.54s on master (0% slower)

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