Keep initializers with attributed parameters in unneeded_synthesized_initializer rule

[SimplyDanny]

Partially addresses #5153.

[SwiftLintBot]

	17 Messages
📖	Linting Aerial with this PR took 0.8s vs 0.83s on main (3% faster)
📖	Linting Alamofire with this PR took 1.13s vs 1.19s on main (5% faster)
📖	Linting Brave with this PR took 6.51s vs 6.78s on main (3% faster)
📖	Linting DuckDuckGo with this PR took 3.51s vs 3.58s on main (1% faster)
📖	Linting Firefox with this PR took 9.8s vs 9.78s on main (0% slower)
📖	Linting Kickstarter with this PR took 8.12s vs 8.24s on main (1% faster)
📖	Linting Moya with this PR took 0.47s vs 0.49s on main (4% faster)
📖	Linting NetNewsWire with this PR took 2.33s vs 2.34s on main (0% faster)
📖	Linting Nimble with this PR took 0.67s vs 0.69s on main (2% faster)
📖	Linting PocketCasts with this PR took 7.02s vs 7.03s on main (0% faster)
📖	Linting Quick with this PR took 0.38s vs 0.38s on main (0% slower)
📖	Linting Realm with this PR took 4.2s vs 4.29s on main (2% faster)
📖	Linting Sourcery with this PR took 2.07s vs 2.04s on main (1% slower)
📖	Linting Swift with this PR took 3.94s vs 3.89s on main (1% slower)
📖	Linting VLC with this PR took 1.09s vs 1.1s on main (0% faster)
📖	Linting Wire with this PR took 14.73s vs 14.72s on main (0% slower)
📖	Linting WordPress with this PR took 9.91s vs 9.95s on main (0% faster)

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