Did i damage my s9 power button?

After purchasing my s9 I slipped a case onto it which rubbed the power button. I noticed the power button has a clicky feeling but not much resistance where as the Bixby and volume buttons feel more "cushioned" when pressed and have a little more resistance. Have I damaged the power button or is this normal feel for the power button? Could anyone confirm by checking there s9 ? Thanks.

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